42420640

素因数分解:

$2^5\times 5^1\times {\mathrm{265129}}^1$

素因数の和:265144

約数の個数: 24

約数和(自身を含む): 100219140

約数和(自身を除く): 57798500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 265129, 530258, 1060516, 1325645, 2121032, 2651290, 4242064, 5302580, 8484128, 10605160, 21210320, 42420640]

約数ペア:

[(1, 42420640), (2, 21210320), (4, 10605160), (5, 8484128), (8, 5302580), (10, 4242064), (16, 2651290), (20, 2121032), (32, 1325645), (40, 1060516), (80, 530258), (160, 265129)]