2640800

素因数分解:

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

素因数の和:3321

約数の個数: 36

約数和(自身を含む): 6448806

約数和(自身を除く): 3808006

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 3301, 6602, 13204, 16505, 26408, 33010, 52816, 66020, 82525, 105632, 132040, 165050, 264080, 330100, 528160, 660200, 1320400, 2640800]

約数ペア:

[(1, 2640800), (2, 1320400), (4, 660200), (5, 528160), (8, 330100), (10, 264080), (16, 165050), (20, 132040), (25, 105632), (32, 82525), (40, 66020), (50, 52816), (80, 33010), (100, 26408), (160, 16505), (200, 13204), (400, 6602), (800, 3301)]