61743020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43481}}^1$

素因数の和:43561

約数の個数: 24

約数和(自身を含む): 131489568

約数和(自身を除く): 69746548

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 43481, 86962, 173924, 217405, 434810, 869620, 3087151, 6174302, 12348604, 15435755, 30871510, 61743020]

約数ペア:

[(1, 61743020), (2, 30871510), (4, 15435755), (5, 12348604), (10, 6174302), (20, 3087151), (71, 869620), (142, 434810), (284, 217405), (355, 173924), (710, 86962), (1420, 43481)]