15290840

素因数分解:

$2^3\times 5^1\times {\mathrm{382271}}^1$

素因数の和:382282

約数の個数: 16

約数和(自身を含む): 34404480

約数和(自身を除く): 19113640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 382271, 764542, 1529084, 1911355, 3058168, 3822710, 7645420, 15290840]

約数ペア:

[(1, 15290840), (2, 7645420), (4, 3822710), (5, 3058168), (8, 1911355), (10, 1529084), (20, 764542), (40, 382271)]