71301640

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{2633}}^1$

素因数の和:3321

約数の個数: 32

約数和(自身を含む): 160726680

約数和(自身を除く): 89425040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 2633, 2708, 3385, 5266, 5416, 6770, 10532, 13165, 13540, 21064, 26330, 27080, 52660, 105320, 1782541, 3565082, 7130164, 8912705, 14260328, 17825410, 35650820, 71301640]

約数ペア:

[(1, 71301640), (2, 35650820), (4, 17825410), (5, 14260328), (8, 8912705), (10, 7130164), (20, 3565082), (40, 1782541), (677, 105320), (1354, 52660), (2633, 27080), (2708, 26330), (3385, 21064), (5266, 13540), (5416, 13165), (6770, 10532)]