31319660

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1291}}^1$

素因数の和:2513

約数の個数: 24

約数和(自身を含む): 65876496

約数和(自身を除く): 34556836

約数列:

[1, 2, 4, 5, 10, 20, 1213, 1291, 2426, 2582, 4852, 5164, 6065, 6455, 12130, 12910, 24260, 25820, 1565983, 3131966, 6263932, 7829915, 15659830, 31319660]

約数ペア:

[(1, 31319660), (2, 15659830), (4, 7829915), (5, 6263932), (10, 3131966), (20, 1565983), (1213, 25820), (1291, 24260), (2426, 12910), (2582, 12130), (4852, 6455), (5164, 6065)]