130956080

素因数分解:

$2^4\times 5^1\times {\mathrm{1636951}}^1$

素因数の和:1636964

約数の個数: 20

約数和(自身を含む): 304473072

約数和(自身を除く): 173516992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1636951, 3273902, 6547804, 8184755, 13095608, 16369510, 26191216, 32739020, 65478040, 130956080]

約数ペア:

[(1, 130956080), (2, 65478040), (4, 32739020), (5, 26191216), (8, 16369510), (10, 13095608), (16, 8184755), (20, 6547804), (40, 3273902), (80, 1636951)]