12970040

素因数分解:

$2^3\times 5^1\times {\mathrm{324251}}^1$

素因数の和:324262

約数の個数: 16

約数和(自身を含む): 29182680

約数和(自身を除く): 16212640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 324251, 648502, 1297004, 1621255, 2594008, 3242510, 6485020, 12970040]

約数ペア:

[(1, 12970040), (2, 6485020), (4, 3242510), (5, 2594008), (8, 1621255), (10, 1297004), (20, 648502), (40, 324251)]