80001985

素因数分解:

$5^1\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{2179}}^1$

素因数の和:3240

約数の個数: 16

約数和(自身を含む): 109872000

約数和(自身を除く): 29870015

約数列:

[1, 5, 7, 35, 1049, 2179, 5245, 7343, 10895, 15253, 36715, 76265, 2285771, 11428855, 16000397, 80001985]

約数ペア:

[(1, 80001985), (5, 16000397), (7, 11428855), (35, 2285771), (1049, 76265), (2179, 36715), (5245, 15253), (7343, 10895)]