429785680

素因数分解:

$2^4\times 5^1\times {\mathrm{5372321}}^1$

素因数の和:5372334

約数の個数: 20

約数和(自身を含む): 999251892

約数和(自身を除く): 569466212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5372321, 10744642, 21489284, 26861605, 42978568, 53723210, 85957136, 107446420, 214892840, 429785680]

約数ペア:

[(1, 429785680), (2, 214892840), (4, 107446420), (5, 85957136), (8, 53723210), (10, 42978568), (16, 26861605), (20, 21489284), (40, 10744642), (80, 5372321)]