51969160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 122860800

約数和(自身を除く): 70891640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 631, 710, 1160, 1262, 1420, 2059, 2524, 2840, 3155, 4118, 5048, 6310, 8236, 10295, 12620, 16472, 18299, 20590, 25240, 36598, 41180, 44801, 73196, 82360, 89602, 91495, 146392, 179204, 182990, 224005, 358408, 365980, 448010, 731960, 896020, 1299229, 1792040, 2598458, 5196916, 6496145, 10393832, 12992290, 25984580, 51969160]

約数ペア:

[(1, 51969160), (2, 25984580), (4, 12992290), (5, 10393832), (8, 6496145), (10, 5196916), (20, 2598458), (29, 1792040), (40, 1299229), (58, 896020), (71, 731960), (116, 448010), (142, 365980), (145, 358408), (232, 224005), (284, 182990), (290, 179204), (355, 146392), (568, 91495), (580, 89602), (631, 82360), (710, 73196), (1160, 44801), (1262, 41180), (1420, 36598), (2059, 25240), (2524, 20590), (2840, 18299), (3155, 16472), (4118, 12620), (5048, 10295), (6310, 8236)]