660682040

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{69109}}^1$

素因数の和:69359

約数の個数: 32

約数和(自身を含む): 1492776000

約数和(自身を除く): 832093960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 69109, 138218, 276436, 345545, 552872, 691090, 1382180, 2764360, 16517051, 33034102, 66068204, 82585255, 132136408, 165170510, 330341020, 660682040]

約数ペア:

[(1, 660682040), (2, 330341020), (4, 165170510), (5, 132136408), (8, 82585255), (10, 66068204), (20, 33034102), (40, 16517051), (239, 2764360), (478, 1382180), (956, 691090), (1195, 552872), (1912, 345545), (2390, 276436), (4780, 138218), (9560, 69109)]