81824440

素因数分解:

$2^3\times 5^1\times {\mathrm{2045611}}^1$

素因数の和:2045622

約数の個数: 16

約数和(自身を含む): 184105080

約数和(自身を除く): 102280640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2045611, 4091222, 8182444, 10228055, 16364888, 20456110, 40912220, 81824440]

約数ペア:

[(1, 81824440), (2, 40912220), (4, 20456110), (5, 16364888), (8, 10228055), (10, 8182444), (20, 4091222), (40, 2045611)]