80100250

素因数分解:

$2^1\times 5^3\times {\mathrm{320401}}^1$

素因数の和:320418

約数の個数: 16

約数和(自身を含む): 149948136

約数和(自身を除く): 69847886

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 320401, 640802, 1602005, 3204010, 8010025, 16020050, 40050125, 80100250]

約数ペア:

[(1, 80100250), (2, 40050125), (5, 16020050), (10, 8010025), (25, 3204010), (50, 1602005), (125, 640802), (250, 320401)]