51117440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 136818720

約数和(自身を除く): 85701280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 106, 110, 128, 137, 160, 176, 212, 220, 265, 274, 320, 352, 424, 440, 530, 548, 583, 640, 685, 704, 848, 880, 1060, 1096, 1166, 1370, 1408, 1507, 1696, 1760, 2120, 2192, 2332, 2740, 2915, 3014, 3392, 3520, 4240, 4384, 4664, 5480, 5830, 6028, 6784, 7040, 7261, 7535, 8480, 8768, 9328, 10960, 11660, 12056, 14522, 15070, 16960, 17536, 18656, 21920, 23320, 24112, 29044, 30140, 33920, 36305, 37312, 43840, 46640, 48224, 58088, 60280, 72610, 74624, 79871, 87680, 93280, 96448, 116176, 120560, 145220, 159742, 186560, 192896, 232352, 241120, 290440, 319484, 373120, 399355, 464704, 482240, 580880, 638968, 798710, 929408, 964480, 1161760, 1277936, 1597420, 2323520, 2555872, 3194840, 4647040, 5111744, 6389680, 10223488, 12779360, 25558720, 51117440]

約数ペア:

[(1, 51117440), (2, 25558720), (4, 12779360), (5, 10223488), (8, 6389680), (10, 5111744), (11, 4647040), (16, 3194840), (20, 2555872), (22, 2323520), (32, 1597420), (40, 1277936), (44, 1161760), (53, 964480), (55, 929408), (64, 798710), (80, 638968), (88, 580880), (106, 482240), (110, 464704), (128, 399355), (137, 373120), (160, 319484), (176, 290440), (212, 241120), (220, 232352), (265, 192896), (274, 186560), (320, 159742), (352, 145220), (424, 120560), (440, 116176), (530, 96448), (548, 93280), (583, 87680), (640, 79871), (685, 74624), (704, 72610), (848, 60280), (880, 58088), (1060, 48224), (1096, 46640), (1166, 43840), (1370, 37312), (1408, 36305), (1507, 33920), (1696, 30140), (1760, 29044), (2120, 24112), (2192, 23320), (2332, 21920), (2740, 18656), (2915, 17536), (3014, 16960), (3392, 15070), (3520, 14522), (4240, 12056), (4384, 11660), (4664, 10960), (5480, 9328), (5830, 8768), (6028, 8480), (6784, 7535), (7040, 7261)]