15930400

素因数分解:

$2^5\times 5^2\times {\mathrm{19913}}^1$

素因数の和:19933

約数の個数: 36

約数和(自身を含む): 38892042

約数和(自身を除く): 22961642

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 19913, 39826, 79652, 99565, 159304, 199130, 318608, 398260, 497825, 637216, 796520, 995650, 1593040, 1991300, 3186080, 3982600, 7965200, 15930400]

約数ペア:

[(1, 15930400), (2, 7965200), (4, 3982600), (5, 3186080), (8, 1991300), (10, 1593040), (16, 995650), (20, 796520), (25, 637216), (32, 497825), (40, 398260), (50, 318608), (80, 199130), (100, 159304), (160, 99565), (200, 79652), (400, 39826), (800, 19913)]