90843700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{22157}}^1$

素因数の和:22212

約数の個数: 36

約数和(自身を含む): 201948012

約数和(自身を除く): 111104312

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 22157, 44314, 88628, 110785, 221570, 443140, 553925, 908437, 1107850, 1816874, 2215700, 3633748, 4542185, 9084370, 18168740, 22710925, 45421850, 90843700]

約数ペア:

[(1, 90843700), (2, 45421850), (4, 22710925), (5, 18168740), (10, 9084370), (20, 4542185), (25, 3633748), (41, 2215700), (50, 1816874), (82, 1107850), (100, 908437), (164, 553925), (205, 443140), (410, 221570), (820, 110785), (1025, 88628), (2050, 44314), (4100, 22157)]