56839840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20897}}^1$

素因数の和:20929

約数の個数: 48

約数和(自身を含む): 142189992

約数和(自身を除く): 85350152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20897, 41794, 83588, 104485, 167176, 208970, 334352, 355249, 417940, 668704, 710498, 835880, 1420996, 1671760, 1776245, 2841992, 3343520, 3552490, 5683984, 7104980, 11367968, 14209960, 28419920, 56839840]

約数ペア:

[(1, 56839840), (2, 28419920), (4, 14209960), (5, 11367968), (8, 7104980), (10, 5683984), (16, 3552490), (17, 3343520), (20, 2841992), (32, 1776245), (34, 1671760), (40, 1420996), (68, 835880), (80, 710498), (85, 668704), (136, 417940), (160, 355249), (170, 334352), (272, 208970), (340, 167176), (544, 104485), (680, 83588), (1360, 41794), (2720, 20897)]