7428460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28571}}^1$

素因数の和:28593

約数の個数: 24

約数和(自身を含む): 16800336

約数和(自身を除く): 9371876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28571, 57142, 114284, 142855, 285710, 371423, 571420, 742846, 1485692, 1857115, 3714230, 7428460]

約数ペア:

[(1, 7428460), (2, 3714230), (4, 1857115), (5, 1485692), (10, 742846), (13, 571420), (20, 371423), (26, 285710), (52, 142855), (65, 114284), (130, 57142), (260, 28571)]