40644580

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7499}}^1$

素因数の和:7779

約数の個数: 24

約数和(自身を含む): 85680000

約数和(自身を除く): 45035420

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 7499, 14998, 29996, 37495, 74990, 149980, 2032229, 4064458, 8128916, 10161145, 20322290, 40644580]

約数ペア:

[(1, 40644580), (2, 20322290), (4, 10161145), (5, 8128916), (10, 4064458), (20, 2032229), (271, 149980), (542, 74990), (1084, 37495), (1355, 29996), (2710, 14998), (5420, 7499)]