23921320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8423}}^1$

素因数の和:8505

約数の個数: 32

約数和(自身を含む): 54587520

約数和(自身を除く): 30666200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8423, 16846, 33692, 42115, 67384, 84230, 168460, 336920, 598033, 1196066, 2392132, 2990165, 4784264, 5980330, 11960660, 23921320]

約数ペア:

[(1, 23921320), (2, 11960660), (4, 5980330), (5, 4784264), (8, 2990165), (10, 2392132), (20, 1196066), (40, 598033), (71, 336920), (142, 168460), (284, 84230), (355, 67384), (568, 42115), (710, 33692), (1420, 16846), (2840, 8423)]