810520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 1905120

約数和(自身を除く): 1094600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 881, 920, 1762, 3524, 4405, 7048, 8810, 17620, 20263, 35240, 40526, 81052, 101315, 162104, 202630, 405260, 810520]

約数ペア:

[(1, 810520), (2, 405260), (4, 202630), (5, 162104), (8, 101315), (10, 81052), (20, 40526), (23, 35240), (40, 20263), (46, 17620), (92, 8810), (115, 7048), (184, 4405), (230, 3524), (460, 1762), (881, 920)]