28207100

素因数分解:

$2^2\times 5^2\times {\mathrm{282071}}^1$

素因数の和:282085

約数の個数: 18

約数和(自身を含む): 61209624

約数和(自身を除く): 33002524

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 282071, 564142, 1128284, 1410355, 2820710, 5641420, 7051775, 14103550, 28207100]

約数ペア:

[(1, 28207100), (2, 14103550), (4, 7051775), (5, 5641420), (10, 2820710), (20, 1410355), (25, 1128284), (50, 564142), (100, 282071)]