202170020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{26813}}^1$

素因数の和:26864

約数の個数: 48

約数和(自身を含む): 472998960

約数和(自身を除く): 270828940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 26813, 53626, 107252, 134065, 268130, 348569, 536260, 697138, 777577, 1394276, 1555154, 1742845, 3110308, 3485690, 3887885, 6971380, 7775770, 10108501, 15551540, 20217002, 40434004, 50542505, 101085010, 202170020]

約数ペア:

[(1, 202170020), (2, 101085010), (4, 50542505), (5, 40434004), (10, 20217002), (13, 15551540), (20, 10108501), (26, 7775770), (29, 6971380), (52, 3887885), (58, 3485690), (65, 3110308), (116, 1742845), (130, 1555154), (145, 1394276), (260, 777577), (290, 697138), (377, 536260), (580, 348569), (754, 268130), (1508, 134065), (1885, 107252), (3770, 53626), (7540, 26813)]