15390040

素因数分解:

$2^3\times 5^1\times {\mathrm{384751}}^1$

素因数の和:384762

約数の個数: 16

約数和(自身を含む): 34627680

約数和(自身を除く): 19237640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 384751, 769502, 1539004, 1923755, 3078008, 3847510, 7695020, 15390040]

約数ペア:

[(1, 15390040), (2, 7695020), (4, 3847510), (5, 3078008), (8, 1923755), (10, 1539004), (20, 769502), (40, 384751)]