12927920

素因数分解:

$2^4\times 5^1\times {\mathrm{161599}}^1$

素因数の和:161612

約数の個数: 20

約数和(自身を含む): 30057600

約数和(自身を除く): 17129680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161599, 323198, 646396, 807995, 1292792, 1615990, 2585584, 3231980, 6463960, 12927920]

約数ペア:

[(1, 12927920), (2, 6463960), (4, 3231980), (5, 2585584), (8, 1615990), (10, 1292792), (16, 807995), (20, 646396), (40, 323198), (80, 161599)]