104864720

素因数分解:

$2^4\times 5^1\times {\mathrm{1310809}}^1$

素因数の和:1310822

約数の個数: 20

約数和(自身を含む): 243810660

約数和(自身を除く): 138945940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1310809, 2621618, 5243236, 6554045, 10486472, 13108090, 20972944, 26216180, 52432360, 104864720]

約数ペア:

[(1, 104864720), (2, 52432360), (4, 26216180), (5, 20972944), (8, 13108090), (10, 10486472), (16, 6554045), (20, 5243236), (40, 2621618), (80, 1310809)]