15930140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19427}}^1$

素因数の和:19477

約数の個数: 24

約数和(自身を含む): 34270992

約数和(自身を除く): 18340852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19427, 38854, 77708, 97135, 194270, 388540, 796507, 1593014, 3186028, 3982535, 7965070, 15930140]

約数ペア:

[(1, 15930140), (2, 7965070), (4, 3982535), (5, 3186028), (10, 1593014), (20, 796507), (41, 388540), (82, 194270), (164, 97135), (205, 77708), (410, 38854), (820, 19427)]