64169090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90379}}^1$

素因数の和:90457

約数の個数: 16

約数和(自身を含む): 117132480

約数和(自身を除く): 52963390

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 90379, 180758, 451895, 903790, 6416909, 12833818, 32084545, 64169090]

約数ペア:

[(1, 64169090), (2, 32084545), (5, 12833818), (10, 6416909), (71, 903790), (142, 451895), (355, 180758), (710, 90379)]