8490320

素因数分解:

$2^4\times 5^1\times {\mathrm{106129}}^1$

素因数の和:106142

約数の個数: 20

約数和(自身を含む): 19740180

約数和(自身を除く): 11249860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106129, 212258, 424516, 530645, 849032, 1061290, 1698064, 2122580, 4245160, 8490320]

約数ペア:

[(1, 8490320), (2, 4245160), (4, 2122580), (5, 1698064), (8, 1061290), (10, 849032), (16, 530645), (20, 424516), (40, 212258), (80, 106129)]