87629780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{625927}}^1$

素因数の和:625943

約数の個数: 24

約数和(自身を含む): 210311808

約数和(自身を除く): 122682028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 625927, 1251854, 2503708, 3129635, 4381489, 6259270, 8762978, 12518540, 17525956, 21907445, 43814890, 87629780]

約数ペア:

[(1, 87629780), (2, 43814890), (4, 21907445), (5, 17525956), (7, 12518540), (10, 8762978), (14, 6259270), (20, 4381489), (28, 3129635), (35, 2503708), (70, 1251854), (140, 625927)]