31345480

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1291}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 70698240

約数和(自身を除く): 39352760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 1291, 2428, 2582, 3035, 4856, 5164, 6070, 6455, 10328, 12140, 12910, 24280, 25820, 51640, 783637, 1567274, 3134548, 3918185, 6269096, 7836370, 15672740, 31345480]

約数ペア:

[(1, 31345480), (2, 15672740), (4, 7836370), (5, 6269096), (8, 3918185), (10, 3134548), (20, 1567274), (40, 783637), (607, 51640), (1214, 25820), (1291, 24280), (2428, 12910), (2582, 12140), (3035, 10328), (4856, 6455), (5164, 6070)]