23081540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26839}}^1$

素因数の和:26891

約数の個数: 24

約数和(自身を含む): 49600320

約数和(自身を除く): 26518780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 26839, 53678, 107356, 134195, 268390, 536780, 1154077, 2308154, 4616308, 5770385, 11540770, 23081540]

約数ペア:

[(1, 23081540), (2, 11540770), (4, 5770385), (5, 4616308), (10, 2308154), (20, 1154077), (43, 536780), (86, 268390), (172, 134195), (215, 107356), (430, 53678), (860, 26839)]