56865320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20023}}^1$

素因数の和:20105

約数の個数: 32

約数和(自身を含む): 129755520

約数和(自身を除く): 72890200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 20023, 40046, 80092, 100115, 160184, 200230, 400460, 800920, 1421633, 2843266, 5686532, 7108165, 11373064, 14216330, 28432660, 56865320]

約数ペア:

[(1, 56865320), (2, 28432660), (4, 14216330), (5, 11373064), (8, 7108165), (10, 5686532), (20, 2843266), (40, 1421633), (71, 800920), (142, 400460), (284, 200230), (355, 160184), (568, 100115), (710, 80092), (1420, 40046), (2840, 20023)]