157945520

素因数分解:

$2^4\times 5^1\times {\mathrm{1974319}}^1$

素因数の和:1974332

約数の個数: 20

約数和(自身を含む): 367223520

約数和(自身を除く): 209278000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1974319, 3948638, 7897276, 9871595, 15794552, 19743190, 31589104, 39486380, 78972760, 157945520]

約数ペア:

[(1, 157945520), (2, 78972760), (4, 39486380), (5, 31589104), (8, 19743190), (10, 15794552), (16, 9871595), (20, 7897276), (40, 3948638), (80, 1974319)]