156968080820

素因数分解:

$2^2\times 5^1\times {\mathrm{3967}}^1\times {\mathrm{1978423}}^1$

素因数の和:1982399

約数の個数: 24

約数和(自身を含む): 329716230144

約数和(自身を除く): 172748149324

約数列:

[1, 2, 4, 5, 10, 20, 3967, 7934, 15868, 19835, 39670, 79340, 1978423, 3956846, 7913692, 9892115, 19784230, 39568460, 7848404041, 15696808082, 31393616164, 39242020205, 78484040410, 156968080820]

約数ペア:

[(1, 156968080820), (2, 78484040410), (4, 39242020205), (5, 31393616164), (10, 15696808082), (20, 7848404041), (3967, 39568460), (7934, 19784230), (15868, 9892115), (19835, 7913692), (39670, 3956846), (79340, 1978423)]