61791160

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1531}}^1$

素因数の和:2551

約数の個数: 32

約数和(自身を含む): 139258800

約数和(自身を除く): 77467640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 1531, 2018, 3062, 4036, 5045, 6124, 7655, 8072, 10090, 12248, 15310, 20180, 30620, 40360, 61240, 1544779, 3089558, 6179116, 7723895, 12358232, 15447790, 30895580, 61791160]

約数ペア:

[(1, 61791160), (2, 30895580), (4, 15447790), (5, 12358232), (8, 7723895), (10, 6179116), (20, 3089558), (40, 1544779), (1009, 61240), (1531, 40360), (2018, 30620), (3062, 20180), (4036, 15310), (5045, 12248), (6124, 10090), (7655, 8072)]