90581090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127579}}^1$

素因数の和:127657

約数の個数: 16

約数和(自身を含む): 165343680

約数和(自身を除く): 74762590

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 127579, 255158, 637895, 1275790, 9058109, 18116218, 45290545, 90581090]

約数ペア:

[(1, 90581090), (2, 45290545), (5, 18116218), (10, 9058109), (71, 1275790), (142, 637895), (355, 255158), (710, 127579)]