9968364580

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{239509}}^1$

素因数の和:241599

約数の個数: 24

約数和(自身を含む): 20943712440

約数和(自身を除く): 10975347860

約数列:

[1, 2, 4, 5, 10, 20, 2081, 4162, 8324, 10405, 20810, 41620, 239509, 479018, 958036, 1197545, 2395090, 4790180, 498418229, 996836458, 1993672916, 2492091145, 4984182290, 9968364580]

約数ペア:

[(1, 9968364580), (2, 4984182290), (4, 2492091145), (5, 1993672916), (10, 996836458), (20, 498418229), (2081, 4790180), (4162, 2395090), (8324, 1197545), (10405, 958036), (20810, 479018), (41620, 239509)]