64154890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90359}}^1$

素因数の和:90437

約数の個数: 16

約数和(自身を含む): 117106560

約数和(自身を除く): 52951670

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 90359, 180718, 451795, 903590, 6415489, 12830978, 32077445, 64154890]

約数ペア:

[(1, 64154890), (2, 32077445), (5, 12830978), (10, 6415489), (71, 903590), (142, 451795), (355, 180718), (710, 90359)]