61262920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19387}}^1$

素因数の和:19477

約数の個数: 32

約数和(自身を含む): 139593600

約数和(自身を除く): 78330680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 19387, 38774, 77548, 96935, 155096, 193870, 387740, 775480, 1531573, 3063146, 6126292, 7657865, 12252584, 15315730, 30631460, 61262920]

約数ペア:

[(1, 61262920), (2, 30631460), (4, 15315730), (5, 12252584), (8, 7657865), (10, 6126292), (20, 3063146), (40, 1531573), (79, 775480), (158, 387740), (316, 193870), (395, 155096), (632, 96935), (790, 77548), (1580, 38774), (3160, 19387)]