85511620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 183073968

約数和(自身を除く): 97562348

約数列:

[1, 2, 4, 5, 10, 20, 113, 157, 226, 241, 314, 452, 482, 565, 628, 785, 964, 1130, 1205, 1570, 2260, 2410, 3140, 4820, 17741, 27233, 35482, 37837, 54466, 70964, 75674, 88705, 108932, 136165, 151348, 177410, 189185, 272330, 354820, 378370, 544660, 756740, 4275581, 8551162, 17102324, 21377905, 42755810, 85511620]

約数ペア:

[(1, 85511620), (2, 42755810), (4, 21377905), (5, 17102324), (10, 8551162), (20, 4275581), (113, 756740), (157, 544660), (226, 378370), (241, 354820), (314, 272330), (452, 189185), (482, 177410), (565, 151348), (628, 136165), (785, 108932), (964, 88705), (1130, 75674), (1205, 70964), (1570, 54466), (2260, 37837), (2410, 35482), (3140, 27233), (4820, 17741)]