30619660

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2381}}^1$

素因数の和:3033

約数の個数: 24

約数和(自身を含む): 64428336

約数和(自身を除く): 33808676

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2381, 2572, 3215, 4762, 6430, 9524, 11905, 12860, 23810, 47620, 1530983, 3061966, 6123932, 7654915, 15309830, 30619660]

約数ペア:

[(1, 30619660), (2, 15309830), (4, 7654915), (5, 6123932), (10, 3061966), (20, 1530983), (643, 47620), (1286, 23810), (2381, 12860), (2572, 11905), (3215, 9524), (4762, 6430)]