489432080

素因数分解:

$2^4\times 5^1\times {\mathrm{6117901}}^1$

素因数の和:6117914

約数の個数: 20

約数和(自身を含む): 1137929772

約数和(自身を除く): 648497692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6117901, 12235802, 24471604, 30589505, 48943208, 61179010, 97886416, 122358020, 244716040, 489432080]

約数ペア:

[(1, 489432080), (2, 244716040), (4, 122358020), (5, 97886416), (8, 61179010), (10, 48943208), (16, 30589505), (20, 24471604), (40, 12235802), (80, 6117901)]