80629760

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 104

約数和(自身を含む): 201302016

約数和(自身を除く): 120672256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 256, 310, 320, 496, 508, 512, 620, 635, 640, 992, 1016, 1024, 1240, 1270, 1280, 1984, 2032, 2048, 2480, 2540, 2560, 3937, 3968, 4064, 4096, 4960, 5080, 5120, 7874, 7936, 8128, 9920, 10160, 10240, 15748, 15872, 16256, 19685, 19840, 20320, 20480, 31496, 31744, 32512, 39370, 39680, 40640, 62992, 63488, 65024, 78740, 79360, 81280, 125984, 126976, 130048, 157480, 158720, 162560, 251968, 260096, 314960, 317440, 325120, 503936, 520192, 629920, 634880, 650240, 1007872, 1259840, 1300480, 2015744, 2519680, 2600960, 4031488, 5039360, 8062976, 10078720, 16125952, 20157440, 40314880, 80629760]

約数ペア:

[(1, 80629760), (2, 40314880), (4, 20157440), (5, 16125952), (8, 10078720), (10, 8062976), (16, 5039360), (20, 4031488), (31, 2600960), (32, 2519680), (40, 2015744), (62, 1300480), (64, 1259840), (80, 1007872), (124, 650240), (127, 634880), (128, 629920), (155, 520192), (160, 503936), (248, 325120), (254, 317440), (256, 314960), (310, 260096), (320, 251968), (496, 162560), (508, 158720), (512, 157480), (620, 130048), (635, 126976), (640, 125984), (992, 81280), (1016, 79360), (1024, 78740), (1240, 65024), (1270, 63488), (1280, 62992), (1984, 40640), (2032, 39680), (2048, 39370), (2480, 32512), (2540, 31744), (2560, 31496), (3937, 20480), (3968, 20320), (4064, 19840), (4096, 19685), (4960, 16256), (5080, 15872), (5120, 15748), (7874, 10240), (7936, 10160), (8128, 9920)]