80553340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1033}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 193862592

約数和(自身を除く): 113309252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 1033, 1114, 2066, 2228, 2785, 3899, 4132, 5165, 5570, 7231, 7798, 10330, 11140, 14462, 15596, 19495, 20660, 28924, 36155, 38990, 72310, 77980, 144620, 575381, 1150762, 2301524, 2876905, 4027667, 5753810, 8055334, 11507620, 16110668, 20138335, 40276670, 80553340]

約数ペア:

[(1, 80553340), (2, 40276670), (4, 20138335), (5, 16110668), (7, 11507620), (10, 8055334), (14, 5753810), (20, 4027667), (28, 2876905), (35, 2301524), (70, 1150762), (140, 575381), (557, 144620), (1033, 77980), (1114, 72310), (2066, 38990), (2228, 36155), (2785, 28924), (3899, 20660), (4132, 19495), (5165, 15596), (5570, 14462), (7231, 11140), (7798, 10330)]