45142180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28571}}^1$

素因数の和:28659

約数の個数: 24

約数和(自身を含む): 96001920

約数和(自身を除く): 50859740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 28571, 57142, 114284, 142855, 285710, 571420, 2257109, 4514218, 9028436, 11285545, 22571090, 45142180]

約数ペア:

[(1, 45142180), (2, 22571090), (4, 11285545), (5, 9028436), (10, 4514218), (20, 2257109), (79, 571420), (158, 285710), (316, 142855), (395, 114284), (790, 57142), (1580, 28571)]