63961640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 151018560

約数和(自身を除く): 87056920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 907, 1640, 1720, 1763, 1814, 3526, 3628, 4535, 7052, 7256, 8815, 9070, 14104, 17630, 18140, 35260, 36280, 37187, 39001, 70520, 74374, 78002, 148748, 156004, 185935, 195005, 297496, 312008, 371870, 390010, 743740, 780020, 1487480, 1560040, 1599041, 3198082, 6396164, 7995205, 12792328, 15990410, 31980820, 63961640]

約数ペア:

[(1, 63961640), (2, 31980820), (4, 15990410), (5, 12792328), (8, 7995205), (10, 6396164), (20, 3198082), (40, 1599041), (41, 1560040), (43, 1487480), (82, 780020), (86, 743740), (164, 390010), (172, 371870), (205, 312008), (215, 297496), (328, 195005), (344, 185935), (410, 156004), (430, 148748), (820, 78002), (860, 74374), (907, 70520), (1640, 39001), (1720, 37187), (1763, 36280), (1814, 35260), (3526, 18140), (3628, 17630), (4535, 14104), (7052, 9070), (7256, 8815)]