40620640

素因数分解:

$2^5\times 5^1\times {\mathrm{253879}}^1$

素因数の和:253894

約数の個数: 24

約数和(自身を含む): 95966640

約数和(自身を除く): 55346000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 253879, 507758, 1015516, 1269395, 2031032, 2538790, 4062064, 5077580, 8124128, 10155160, 20310320, 40620640]

約数ペア:

[(1, 40620640), (2, 20310320), (4, 10155160), (5, 8124128), (8, 5077580), (10, 4062064), (16, 2538790), (20, 2031032), (32, 1269395), (40, 1015516), (80, 507758), (160, 253879)]