9801580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15809}}^1$

素因数の和:15849

約数の個数: 24

約数和(自身を含む): 21248640

約数和(自身を除く): 11447060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 15809, 31618, 63236, 79045, 158090, 316180, 490079, 980158, 1960316, 2450395, 4900790, 9801580]

約数ペア:

[(1, 9801580), (2, 4900790), (4, 2450395), (5, 1960316), (10, 980158), (20, 490079), (31, 316180), (62, 158090), (124, 79045), (155, 63236), (310, 31618), (620, 15809)]