61415140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{18839}}^1$

素因数の和:19011

約数の個数: 24

約数和(自身を含む): 129769920

約数和(自身を除く): 68354780

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 18839, 37678, 75356, 94195, 188390, 376780, 3070757, 6141514, 12283028, 15353785, 30707570, 61415140]

約数ペア:

[(1, 61415140), (2, 30707570), (4, 15353785), (5, 12283028), (10, 6141514), (20, 3070757), (163, 376780), (326, 188390), (652, 94195), (815, 75356), (1630, 37678), (3260, 18839)]