202420640

素因数分解:

$2^5\times 5^1\times {\mathrm{1265129}}^1$

素因数の和:1265144

約数の個数: 24

約数和(自身を含む): 478219140

約数和(自身を除く): 275798500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1265129, 2530258, 5060516, 6325645, 10121032, 12651290, 20242064, 25302580, 40484128, 50605160, 101210320, 202420640]

約数ペア:

[(1, 202420640), (2, 101210320), (4, 50605160), (5, 40484128), (8, 25302580), (10, 20242064), (16, 12651290), (20, 10121032), (32, 6325645), (40, 5060516), (80, 2530258), (160, 1265129)]