2012867560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{19141}}^1$

素因数の和:19402

約数の個数: 64

約数和(自身を含む): 4961606400

約数和(自身を除く): 2948738840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 956, 1195, 1912, 2390, 2629, 4780, 5258, 9560, 10516, 13145, 19141, 21032, 26290, 38282, 52580, 76564, 95705, 105160, 153128, 191410, 210551, 382820, 421102, 765640, 842204, 1052755, 1684408, 2105510, 4211020, 4574699, 8422040, 9149398, 18298796, 22873495, 36597592, 45746990, 50321689, 91493980, 100643378, 182987960, 201286756, 251608445, 402573512, 503216890, 1006433780, 2012867560]

約数ペア:

[(1, 2012867560), (2, 1006433780), (4, 503216890), (5, 402573512), (8, 251608445), (10, 201286756), (11, 182987960), (20, 100643378), (22, 91493980), (40, 50321689), (44, 45746990), (55, 36597592), (88, 22873495), (110, 18298796), (220, 9149398), (239, 8422040), (440, 4574699), (478, 4211020), (956, 2105510), (1195, 1684408), (1912, 1052755), (2390, 842204), (2629, 765640), (4780, 421102), (5258, 382820), (9560, 210551), (10516, 191410), (13145, 153128), (19141, 105160), (21032, 95705), (26290, 76564), (38282, 52580)]