23388740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 27172540

約数列:

[1, 2, 4, 5, 10, 20, 79, 113, 131, 158, 226, 262, 316, 395, 452, 524, 565, 655, 790, 1130, 1310, 1580, 2260, 2620, 8927, 10349, 14803, 17854, 20698, 29606, 35708, 41396, 44635, 51745, 59212, 74015, 89270, 103490, 148030, 178540, 206980, 296060, 1169437, 2338874, 4677748, 5847185, 11694370, 23388740]

約数ペア:

[(1, 23388740), (2, 11694370), (4, 5847185), (5, 4677748), (10, 2338874), (20, 1169437), (79, 296060), (113, 206980), (131, 178540), (158, 148030), (226, 103490), (262, 89270), (316, 74015), (395, 59212), (452, 51745), (524, 44635), (565, 41396), (655, 35708), (790, 29606), (1130, 20698), (1310, 17854), (1580, 14803), (2260, 10349), (2620, 8927)]