40961320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14423}}^1$

素因数の和:14505

約数の個数: 32

約数和(自身を含む): 93467520

約数和(自身を除く): 52506200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 14423, 28846, 57692, 72115, 115384, 144230, 288460, 576920, 1024033, 2048066, 4096132, 5120165, 8192264, 10240330, 20480660, 40961320]

約数ペア:

[(1, 40961320), (2, 20480660), (4, 10240330), (5, 8192264), (8, 5120165), (10, 4096132), (20, 2048066), (40, 1024033), (71, 576920), (142, 288460), (284, 144230), (355, 115384), (568, 72115), (710, 57692), (1420, 28846), (2840, 14423)]