8738320

素因数分解:

$2^4\times 5^1\times {\mathrm{109229}}^1$

素因数の和:109242

約数の個数: 20

約数和(自身を含む): 20316780

約数和(自身を除く): 11578460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109229, 218458, 436916, 546145, 873832, 1092290, 1747664, 2184580, 4369160, 8738320]

約数ペア:

[(1, 8738320), (2, 4369160), (4, 2184580), (5, 1747664), (8, 1092290), (10, 873832), (16, 546145), (20, 436916), (40, 218458), (80, 109229)]