90814180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{110749}}^1$

素因数の和:110799

約数の個数: 24

約数和(自身を含む): 195363000

約数和(自身を除く): 104548820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 110749, 221498, 442996, 553745, 1107490, 2214980, 4540709, 9081418, 18162836, 22703545, 45407090, 90814180]

約数ペア:

[(1, 90814180), (2, 45407090), (4, 22703545), (5, 18162836), (10, 9081418), (20, 4540709), (41, 2214980), (82, 1107490), (164, 553745), (205, 442996), (410, 221498), (820, 110749)]