978021160

素因数分解:

$2^3\times 5^1\times {\mathrm{24450529}}^1$

素因数の和:24450540

約数の個数: 16

約数和(自身を含む): 2200547700

約数和(自身を除く): 1222526540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 24450529, 48901058, 97802116, 122252645, 195604232, 244505290, 489010580, 978021160]

約数ペア:

[(1, 978021160), (2, 489010580), (4, 244505290), (5, 195604232), (8, 122252645), (10, 97802116), (20, 48901058), (40, 24450529)]