209162840

素因数分解:

$2^3\times 5^1\times {\mathrm{5229071}}^1$

素因数の和:5229082

約数の個数: 16

約数和(自身を含む): 470616480

約数和(自身を除く): 261453640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5229071, 10458142, 20916284, 26145355, 41832568, 52290710, 104581420, 209162840]

約数ペア:

[(1, 209162840), (2, 104581420), (4, 52290710), (5, 41832568), (8, 26145355), (10, 20916284), (20, 10458142), (40, 5229071)]