166825460

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{19813}}^1$

素因数の和:20243

約数の個数: 24

約数和(自身を含む): 351183336

約数和(自身を除く): 184357876

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 19813, 39626, 79252, 99065, 198130, 396260, 8341273, 16682546, 33365092, 41706365, 83412730, 166825460]

約数ペア:

[(1, 166825460), (2, 83412730), (4, 41706365), (5, 33365092), (10, 16682546), (20, 8341273), (421, 396260), (842, 198130), (1684, 99065), (2105, 79252), (4210, 39626), (8420, 19813)]