55161320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19423}}^1$

素因数の和:19505

約数の個数: 32

約数和(自身を含む): 125867520

約数和(自身を除く): 70706200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19423, 38846, 77692, 97115, 155384, 194230, 388460, 776920, 1379033, 2758066, 5516132, 6895165, 11032264, 13790330, 27580660, 55161320]

約数ペア:

[(1, 55161320), (2, 27580660), (4, 13790330), (5, 11032264), (8, 6895165), (10, 5516132), (20, 2758066), (40, 1379033), (71, 776920), (142, 388460), (284, 194230), (355, 155384), (568, 97115), (710, 77692), (1420, 38846), (2840, 19423)]