1490472080

素因数分解:

$2^4\times 5^1\times {\mathrm{18630901}}^1$

素因数の和:18630914

約数の個数: 20

約数和(自身を含む): 3465347772

約数和(自身を除く): 1974875692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18630901, 37261802, 74523604, 93154505, 149047208, 186309010, 298094416, 372618020, 745236040, 1490472080]

約数ペア:

[(1, 1490472080), (2, 745236040), (4, 372618020), (5, 298094416), (8, 186309010), (10, 149047208), (16, 93154505), (20, 74523604), (40, 37261802), (80, 18630901)]