201516080

素因数分解:

$2^4\times 5^1\times {\mathrm{2518951}}^1$

素因数の和:2518964

約数の個数: 20

約数和(自身を含む): 468525072

約数和(自身を除く): 267008992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2518951, 5037902, 10075804, 12594755, 20151608, 25189510, 40303216, 50379020, 100758040, 201516080]

約数ペア:

[(1, 201516080), (2, 100758040), (4, 50379020), (5, 40303216), (8, 25189510), (10, 20151608), (16, 12594755), (20, 10075804), (40, 5037902), (80, 2518951)]