8287100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1142

約数の個数: 36

約数和(自身を含む): 18228000

約数和(自身を除く): 9940900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1049, 1580, 1975, 2098, 3950, 4196, 5245, 7900, 10490, 20980, 26225, 52450, 82871, 104900, 165742, 331484, 414355, 828710, 1657420, 2071775, 4143550, 8287100]

約数ペア:

[(1, 8287100), (2, 4143550), (4, 2071775), (5, 1657420), (10, 828710), (20, 414355), (25, 331484), (50, 165742), (79, 104900), (100, 82871), (158, 52450), (316, 26225), (395, 20980), (790, 10490), (1049, 7900), (1580, 5245), (1975, 4196), (2098, 3950)]