28605520

素因数分解:

$2^4\times 5^1\times {\mathrm{357569}}^1$

素因数の和:357582

約数の個数: 20

約数和(自身を含む): 66508020

約数和(自身を除く): 37902500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 357569, 715138, 1430276, 1787845, 2860552, 3575690, 5721104, 7151380, 14302760, 28605520]

約数ペア:

[(1, 28605520), (2, 14302760), (4, 7151380), (5, 5721104), (8, 3575690), (10, 2860552), (16, 1787845), (20, 1430276), (40, 715138), (80, 357569)]