85555240

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2099}}^1$

素因数の和:3129

約数の個数: 32

約数和(自身を含む): 192780000

約数和(自身を除く): 107224760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 2099, 4076, 4198, 5095, 8152, 8396, 10190, 10495, 16792, 20380, 20990, 40760, 41980, 83960, 2138881, 4277762, 8555524, 10694405, 17111048, 21388810, 42777620, 85555240]

約数ペア:

[(1, 85555240), (2, 42777620), (4, 21388810), (5, 17111048), (8, 10694405), (10, 8555524), (20, 4277762), (40, 2138881), (1019, 83960), (2038, 41980), (2099, 40760), (4076, 20990), (4198, 20380), (5095, 16792), (8152, 10495), (8396, 10190)]