2040800

素因数分解:

$2^5\times 5^2\times {\mathrm{2551}}^1$

素因数の和:2571

約数の個数: 36

約数和(自身を含む): 4984056

約数和(自身を除く): 2943256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 2551, 5102, 10204, 12755, 20408, 25510, 40816, 51020, 63775, 81632, 102040, 127550, 204080, 255100, 408160, 510200, 1020400, 2040800]

約数ペア:

[(1, 2040800), (2, 1020400), (4, 510200), (5, 408160), (8, 255100), (10, 204080), (16, 127550), (20, 102040), (25, 81632), (32, 63775), (40, 51020), (50, 40816), (80, 25510), (100, 20408), (160, 12755), (200, 10204), (400, 5102), (800, 2551)]