2810320

素因数分解:

$2^4\times 5^1\times {\mathrm{35129}}^1$

素因数の和:35142

約数の個数: 20

約数和(自身を含む): 6534180

約数和(自身を除く): 3723860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 35129, 70258, 140516, 175645, 281032, 351290, 562064, 702580, 1405160, 2810320]

約数ペア:

[(1, 2810320), (2, 1405160), (4, 702580), (5, 562064), (8, 351290), (10, 281032), (16, 175645), (20, 140516), (40, 70258), (80, 35129)]