156945440

素因数分解:

$2^5\times 5^1\times {\mathrm{980909}}^1$

素因数の和:980924

約数の個数: 24

約数和(自身を含む): 370783980

約数和(自身を除く): 213838540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 980909, 1961818, 3923636, 4904545, 7847272, 9809090, 15694544, 19618180, 31389088, 39236360, 78472720, 156945440]

約数ペア:

[(1, 156945440), (2, 78472720), (4, 39236360), (5, 31389088), (8, 19618180), (10, 15694544), (16, 9809090), (20, 7847272), (32, 4904545), (40, 3923636), (80, 1961818), (160, 980909)]