15525520

素因数分解:

$2^4\times 5^1\times {\mathrm{194069}}^1$

素因数の和:194082

約数の個数: 20

約数和(自身を含む): 36097020

約数和(自身を除く): 20571500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 194069, 388138, 776276, 970345, 1552552, 1940690, 3105104, 3881380, 7762760, 15525520]

約数ペア:

[(1, 15525520), (2, 7762760), (4, 3881380), (5, 3105104), (8, 1940690), (10, 1552552), (16, 970345), (20, 776276), (40, 388138), (80, 194069)]