1618185969080

素因数分解:

$2^3\times 5^1\times {\mathrm{11981}}^1\times {\mathrm{3376567}}^1$

素因数の和:3388559

約数の個数: 32

約数和(自身を含む): 3641223399840

約数和(自身を除く): 2023037430760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11981, 23962, 47924, 59905, 95848, 119810, 239620, 479240, 3376567, 6753134, 13506268, 16882835, 27012536, 33765670, 67531340, 135062680, 40454649227, 80909298454, 161818596908, 202273246135, 323637193816, 404546492270, 809092984540, 1618185969080]

約数ペア:

[(1, 1618185969080), (2, 809092984540), (4, 404546492270), (5, 323637193816), (8, 202273246135), (10, 161818596908), (20, 80909298454), (40, 40454649227), (11981, 135062680), (23962, 67531340), (47924, 33765670), (59905, 27012536), (95848, 16882835), (119810, 13506268), (239620, 6753134), (479240, 3376567)]