69688180

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{2699}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 146512800

約数和(自身を除く): 76824620

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2582, 2699, 5164, 5398, 6455, 10796, 12910, 13495, 25820, 26990, 53980, 3484409, 6968818, 13937636, 17422045, 34844090, 69688180]

約数ペア:

[(1, 69688180), (2, 34844090), (4, 17422045), (5, 13937636), (10, 6968818), (20, 3484409), (1291, 53980), (2582, 26990), (2699, 25820), (5164, 13495), (5398, 12910), (6455, 10796)]