169366991020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2539}}^1\times {\mathrm{81349}}^1$

素因数の和:83938

約数の個数: 48

約数和(自身を含む): 364493556000

約数和(自身を除く): 195126564980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2539, 5078, 10156, 12695, 25390, 50780, 81349, 104099, 162698, 208198, 325396, 406745, 416396, 520495, 813490, 1040990, 1626980, 2081980, 3335309, 6670618, 13341236, 16676545, 33353090, 66706180, 206545111, 413090222, 826180444, 1032725555, 2065451110, 4130902220, 8468349551, 16936699102, 33873398204, 42341747755, 84683495510, 169366991020]

約数ペア:

[(1, 169366991020), (2, 84683495510), (4, 42341747755), (5, 33873398204), (10, 16936699102), (20, 8468349551), (41, 4130902220), (82, 2065451110), (164, 1032725555), (205, 826180444), (410, 413090222), (820, 206545111), (2539, 66706180), (5078, 33353090), (10156, 16676545), (12695, 13341236), (25390, 6670618), (50780, 3335309), (81349, 2081980), (104099, 1626980), (162698, 1040990), (208198, 813490), (325396, 520495), (406745, 416396)]