631370120

素因数分解:

$2^3\times 5^1\times {\mathrm{15784253}}^1$

素因数の和:15784264

約数の個数: 16

約数和(自身を含む): 1420582860

約数和(自身を除く): 789212740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15784253, 31568506, 63137012, 78921265, 126274024, 157842530, 315685060, 631370120]

約数ペア:

[(1, 631370120), (2, 315685060), (4, 157842530), (5, 126274024), (8, 78921265), (10, 63137012), (20, 31568506), (40, 15784253)]