859687480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{272053}}^1$

素因数の和:272143

約数の個数: 32

約数和(自身を含む): 1958788800

約数和(自身を除く): 1099101320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 272053, 544106, 1088212, 1360265, 2176424, 2720530, 5441060, 10882120, 21492187, 42984374, 85968748, 107460935, 171937496, 214921870, 429843740, 859687480]

約数ペア:

[(1, 859687480), (2, 429843740), (4, 214921870), (5, 171937496), (8, 107460935), (10, 85968748), (20, 42984374), (40, 21492187), (79, 10882120), (158, 5441060), (316, 2720530), (395, 2176424), (632, 1360265), (790, 1088212), (1580, 544106), (3160, 272053)]