101210320

素因数分解:

$2^4\times 5^1\times {\mathrm{1265129}}^1$

素因数の和:1265142

約数の個数: 20

約数和(自身を含む): 235314180

約数和(自身を除く): 134103860

約数列:

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

約数ペア:

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