10420640

素因数分解:

$2^5\times 5^1\times {\mathrm{65129}}^1$

素因数の和:65144

約数の個数: 24

約数和(自身を含む): 24619140

約数和(自身を除く): 14198500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 65129, 130258, 260516, 325645, 521032, 651290, 1042064, 1302580, 2084128, 2605160, 5210320, 10420640]

約数ペア:

[(1, 10420640), (2, 5210320), (4, 2605160), (5, 2084128), (8, 1302580), (10, 1042064), (16, 651290), (20, 521032), (32, 325645), (40, 260516), (80, 130258), (160, 65129)]