84905320

素因数分解:

$2^3\times 5^1\times {\mathrm{2122633}}^1$

素因数の和:2122644

約数の個数: 16

約数和(自身を含む): 191037060

約数和(自身を除く): 106131740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2122633, 4245266, 8490532, 10613165, 16981064, 21226330, 42452660, 84905320]

約数ペア:

[(1, 84905320), (2, 42452660), (4, 21226330), (5, 16981064), (8, 10613165), (10, 8490532), (20, 4245266), (40, 2122633)]