201902320

素因数分解:

$2^4\times 5^1\times {\mathrm{2523779}}^1$

素因数の和:2523792

約数の個数: 20

約数和(自身を含む): 469423080

約数和(自身を除く): 267520760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2523779, 5047558, 10095116, 12618895, 20190232, 25237790, 40380464, 50475580, 100951160, 201902320]

約数ペア:

[(1, 201902320), (2, 100951160), (4, 50475580), (5, 40380464), (8, 25237790), (10, 20190232), (16, 12618895), (20, 10095116), (40, 5047558), (80, 2523779)]