8655140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33289}}^1$

素因数の和:33311

約数の個数: 24

約数和(自身を含む): 19574520

約数和(自身を除く): 10919380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 33289, 66578, 133156, 166445, 332890, 432757, 665780, 865514, 1731028, 2163785, 4327570, 8655140]

約数ペア:

[(1, 8655140), (2, 4327570), (4, 2163785), (5, 1731028), (10, 865514), (13, 665780), (20, 432757), (26, 332890), (52, 166445), (65, 133156), (130, 66578), (260, 33289)]