405260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 889056

約数和(自身を除く): 483796

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 881, 1762, 3524, 4405, 8810, 17620, 20263, 40526, 81052, 101315, 202630, 405260]

約数ペア:

[(1, 405260), (2, 202630), (4, 101315), (5, 81052), (10, 40526), (20, 20263), (23, 17620), (46, 8810), (92, 4405), (115, 3524), (230, 1762), (460, 881)]