8243440640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:534

約数の個数: 176

約数和(自身を含む): 20600745984

約数和(自身を除く): 12357305344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 167, 248, 256, 310, 311, 320, 334, 496, 512, 620, 622, 640, 668, 835, 992, 1024, 1240, 1244, 1280, 1336, 1555, 1670, 1984, 2480, 2488, 2560, 2672, 3110, 3340, 3968, 4960, 4976, 5120, 5177, 5344, 6220, 6680, 7936, 9641, 9920, 9952, 10354, 10688, 12440, 13360, 15872, 19282, 19840, 19904, 20708, 21376, 24880, 25885, 26720, 31744, 38564, 39680, 39808, 41416, 42752, 48205, 49760, 51770, 51937, 53440, 77128, 79360, 79616, 82832, 85504, 96410, 99520, 103540, 103874, 106880, 154256, 158720, 159232, 165664, 171008, 192820, 199040, 207080, 207748, 213760, 259685, 308512, 318464, 331328, 385640, 398080, 414160, 415496, 427520, 519370, 617024, 662656, 771280, 796160, 828320, 830992, 855040, 1038740, 1234048, 1325312, 1542560, 1592320, 1610047, 1656640, 1661984, 2077480, 2468096, 2650624, 3085120, 3220094, 3313280, 3323968, 4154960, 4936192, 5301248, 6170240, 6440188, 6626560, 6647936, 8050235, 8309920, 9872384, 12340480, 12880376, 13253120, 13295872, 16100470, 16619840, 24680960, 25760752, 26506240, 26591744, 32200940, 33239680, 49361920, 51521504, 53183488, 64401880, 66479360, 103043008, 128803760, 132958720, 206086016, 257607520, 265917440, 412172032, 515215040, 824344064, 1030430080, 1648688128, 2060860160, 4121720320, 8243440640]

約数ペア:

[(1, 8243440640), (2, 4121720320), (4, 2060860160), (5, 1648688128), (8, 1030430080), (10, 824344064), (16, 515215040), (20, 412172032), (31, 265917440), (32, 257607520), (40, 206086016), (62, 132958720), (64, 128803760), (80, 103043008), (124, 66479360), (128, 64401880), (155, 53183488), (160, 51521504), (167, 49361920), (248, 33239680), (256, 32200940), (310, 26591744), (311, 26506240), (320, 25760752), (334, 24680960), (496, 16619840), (512, 16100470), (620, 13295872), (622, 13253120), (640, 12880376), (668, 12340480), (835, 9872384), (992, 8309920), (1024, 8050235), (1240, 6647936), (1244, 6626560), (1280, 6440188), (1336, 6170240), (1555, 5301248), (1670, 4936192), (1984, 4154960), (2480, 3323968), (2488, 3313280), (2560, 3220094), (2672, 3085120), (3110, 2650624), (3340, 2468096), (3968, 2077480), (4960, 1661984), (4976, 1656640), (5120, 1610047), (5177, 1592320), (5344, 1542560), (6220, 1325312), (6680, 1234048), (7936, 1038740), (9641, 855040), (9920, 830992), (9952, 828320), (10354, 796160), (10688, 771280), (12440, 662656), (13360, 617024), (15872, 519370), (19282, 427520), (19840, 415496), (19904, 414160), (20708, 398080), (21376, 385640), (24880, 331328), (25885, 318464), (26720, 308512), (31744, 259685), (38564, 213760), (39680, 207748), (39808, 207080), (41416, 199040), (42752, 192820), (48205, 171008), (49760, 165664), (51770, 159232), (51937, 158720), (53440, 154256), (77128, 106880), (79360, 103874), (79616, 103540), (82832, 99520), (85504, 96410)]