27608720

素因数分解:

$2^4\times 5^1\times {\mathrm{345109}}^1$

素因数の和:345122

約数の個数: 20

約数和(自身を含む): 64190460

約数和(自身を除く): 36581740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 345109, 690218, 1380436, 1725545, 2760872, 3451090, 5521744, 6902180, 13804360, 27608720]

約数ペア:

[(1, 27608720), (2, 13804360), (4, 6902180), (5, 5521744), (8, 3451090), (10, 2760872), (16, 1725545), (20, 1380436), (40, 690218), (80, 345109)]