3898280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2377}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 8988840

約数和(自身を除く): 5090560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2377, 4754, 9508, 11885, 19016, 23770, 47540, 95080, 97457, 194914, 389828, 487285, 779656, 974570, 1949140, 3898280]

約数ペア:

[(1, 3898280), (2, 1949140), (4, 974570), (5, 779656), (8, 487285), (10, 389828), (20, 194914), (40, 97457), (41, 95080), (82, 47540), (164, 23770), (205, 19016), (328, 11885), (410, 9508), (820, 4754), (1640, 2377)]