201566320

素因数分解:

$2^4\times 5^1\times {\mathrm{2519579}}^1$

素因数の和:2519592

約数の個数: 20

約数和(自身を含む): 468641880

約数和(自身を除く): 267075560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2519579, 5039158, 10078316, 12597895, 20156632, 25195790, 40313264, 50391580, 100783160, 201566320]

約数ペア:

[(1, 201566320), (2, 100783160), (4, 50391580), (5, 40313264), (8, 25195790), (10, 20156632), (16, 12597895), (20, 10078316), (40, 5039158), (80, 2519579)]