206642320

素因数分解:

$2^4\times 5^1\times {\mathrm{2583029}}^1$

素因数の和:2583042

約数の個数: 20

約数和(自身を含む): 480443580

約数和(自身を除く): 273801260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2583029, 5166058, 10332116, 12915145, 20664232, 25830290, 41328464, 51660580, 103321160, 206642320]

約数ペア:

[(1, 206642320), (2, 103321160), (4, 51660580), (5, 41328464), (8, 25830290), (10, 20664232), (16, 12915145), (20, 10332116), (40, 5166058), (80, 2583029)]