90250520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42571}}^1$

素因数の和:42635

約数の個数: 32

約数和(自身を含む): 206899920

約数和(自身を除く): 116649400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 42571, 85142, 170284, 212855, 340568, 425710, 851420, 1702840, 2256263, 4512526, 9025052, 11281315, 18050104, 22562630, 45125260, 90250520]

約数ペア:

[(1, 90250520), (2, 45125260), (4, 22562630), (5, 18050104), (8, 11281315), (10, 9025052), (20, 4512526), (40, 2256263), (53, 1702840), (106, 851420), (212, 425710), (265, 340568), (424, 212855), (530, 170284), (1060, 85142), (2120, 42571)]