1320400

素因数分解:

$2^4\times 5^2\times {\mathrm{3301}}^1$

素因数の和:3319

約数の個数: 30

約数和(自身を含む): 3173222

約数和(自身を除く): 1852822

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3301, 6602, 13204, 16505, 26408, 33010, 52816, 66020, 82525, 132040, 165050, 264080, 330100, 660200, 1320400]

約数ペア:

[(1, 1320400), (2, 660200), (4, 330100), (5, 264080), (8, 165050), (10, 132040), (16, 82525), (20, 66020), (25, 52816), (40, 33010), (50, 26408), (80, 16505), (100, 13204), (200, 6602), (400, 3301)]