204564440

素因数分解:

$2^3\times 5^1\times {\mathrm{5114111}}^1$

素因数の和:5114122

約数の個数: 16

約数和(自身を含む): 460270080

約数和(自身を除く): 255705640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5114111, 10228222, 20456444, 25570555, 40912888, 51141110, 102282220, 204564440]

約数ペア:

[(1, 204564440), (2, 102282220), (4, 51141110), (5, 40912888), (8, 25570555), (10, 20456444), (20, 10228222), (40, 5114111)]