16531640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5821}}^1$

素因数の和:5903

約数の個数: 32

約数和(自身を含む): 37726560

約数和(自身を除く): 21194920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5821, 11642, 23284, 29105, 46568, 58210, 116420, 232840, 413291, 826582, 1653164, 2066455, 3306328, 4132910, 8265820, 16531640]

約数ペア:

[(1, 16531640), (2, 8265820), (4, 4132910), (5, 3306328), (8, 2066455), (10, 1653164), (20, 826582), (40, 413291), (71, 232840), (142, 116420), (284, 58210), (355, 46568), (568, 29105), (710, 23284), (1420, 11642), (2840, 5821)]