25803640

素因数分解:

$2^3\times 5^1\times {\mathrm{645091}}^1$

素因数の和:645102

約数の個数: 16

約数和(自身を含む): 58058280

約数和(自身を除く): 32254640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 645091, 1290182, 2580364, 3225455, 5160728, 6450910, 12901820, 25803640]

約数ペア:

[(1, 25803640), (2, 12901820), (4, 6450910), (5, 5160728), (8, 3225455), (10, 2580364), (20, 1290182), (40, 645091)]