156969520

素因数分解:

$2^4\times 5^1\times {\mathrm{1962119}}^1$

素因数の和:1962132

約数の個数: 20

約数和(自身を含む): 364954320

約数和(自身を除く): 207984800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962119, 3924238, 7848476, 9810595, 15696952, 19621190, 31393904, 39242380, 78484760, 156969520]

約数ペア:

[(1, 156969520), (2, 78484760), (4, 39242380), (5, 31393904), (8, 19621190), (10, 15696952), (16, 9810595), (20, 7848476), (40, 3924238), (80, 1962119)]