8371420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1877}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 17668224

約数和(自身を除く): 9296804

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1877, 2230, 3754, 4460, 7508, 9385, 18770, 37540, 418571, 837142, 1674284, 2092855, 4185710, 8371420]

約数ペア:

[(1, 8371420), (2, 4185710), (4, 2092855), (5, 1674284), (10, 837142), (20, 418571), (223, 37540), (446, 18770), (892, 9385), (1115, 7508), (1877, 4460), (2230, 3754)]