13720400

素因数分解:

$2^4\times 5^2\times {\mathrm{34301}}^1$

素因数の和:34319

約数の個数: 30

約数和(自身を含む): 32964222

約数和(自身を除く): 19243822

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 34301, 68602, 137204, 171505, 274408, 343010, 548816, 686020, 857525, 1372040, 1715050, 2744080, 3430100, 6860200, 13720400]

約数ペア:

[(1, 13720400), (2, 6860200), (4, 3430100), (5, 2744080), (8, 1715050), (10, 1372040), (16, 857525), (20, 686020), (25, 548816), (40, 343010), (50, 274408), (80, 171505), (100, 137204), (200, 68602), (400, 34301)]