220904080

素因数分解:

$2^4\times 5^1\times {\mathrm{2761301}}^1$

素因数の和:2761314

約数の個数: 20

約数和(自身を含む): 513602172

約数和(自身を除く): 292698092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2761301, 5522602, 11045204, 13806505, 22090408, 27613010, 44180816, 55226020, 110452040, 220904080]

約数ペア:

[(1, 220904080), (2, 110452040), (4, 55226020), (5, 44180816), (8, 27613010), (10, 22090408), (16, 13806505), (20, 11045204), (40, 5522602), (80, 2761301)]