61476920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11057}}^1$

素因数の和:11207

約数の個数: 32

約数和(自身を含む): 139330800

約数和(自身を除く): 77853880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 11057, 22114, 44228, 55285, 88456, 110570, 221140, 442280, 1536923, 3073846, 6147692, 7684615, 12295384, 15369230, 30738460, 61476920]

約数ペア:

[(1, 61476920), (2, 30738460), (4, 15369230), (5, 12295384), (8, 7684615), (10, 6147692), (20, 3073846), (40, 1536923), (139, 442280), (278, 221140), (556, 110570), (695, 88456), (1112, 55285), (1390, 44228), (2780, 22114), (5560, 11057)]