16840400

素因数分解:

$2^4\times 5^2\times {\mathrm{42101}}^1$

素因数の和:42119

約数の個数: 30

約数和(自身を含む): 40460022

約数和(自身を除く): 23619622

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 42101, 84202, 168404, 210505, 336808, 421010, 673616, 842020, 1052525, 1684040, 2105050, 3368080, 4210100, 8420200, 16840400]

約数ペア:

[(1, 16840400), (2, 8420200), (4, 4210100), (5, 3368080), (8, 2105050), (10, 1684040), (16, 1052525), (20, 842020), (25, 673616), (40, 421010), (50, 336808), (80, 210505), (100, 168404), (200, 84202), (400, 42101)]