28315340

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1607}}^1$

素因数の和:2497

約数の個数: 24

約数和(自身を含む): 59566752

約数和(自身を除く): 31251412

約数列:

[1, 2, 4, 5, 10, 20, 881, 1607, 1762, 3214, 3524, 4405, 6428, 8035, 8810, 16070, 17620, 32140, 1415767, 2831534, 5663068, 7078835, 14157670, 28315340]

約数ペア:

[(1, 28315340), (2, 14157670), (4, 7078835), (5, 5663068), (10, 2831534), (20, 1415767), (881, 32140), (1607, 17620), (1762, 16070), (3214, 8810), (3524, 8035), (4405, 6428)]