7256420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1627}}^1$

素因数の和:1859

約数の個数: 24

約数和(自身を含む): 15316224

約数和(自身を除く): 8059804

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1627, 2230, 3254, 4460, 6508, 8135, 16270, 32540, 362821, 725642, 1451284, 1814105, 3628210, 7256420]

約数ペア:

[(1, 7256420), (2, 3628210), (4, 1814105), (5, 1451284), (10, 725642), (20, 362821), (223, 32540), (446, 16270), (892, 8135), (1115, 6508), (1627, 4460), (2230, 3254)]