2104400

素因数分解:

$2^4\times 5^2\times {\mathrm{5261}}^1$

素因数の和:5279

約数の個数: 30

約数和(自身を含む): 5056782

約数和(自身を除く): 2952382

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5261, 10522, 21044, 26305, 42088, 52610, 84176, 105220, 131525, 210440, 263050, 420880, 526100, 1052200, 2104400]

約数ペア:

[(1, 2104400), (2, 1052200), (4, 526100), (5, 420880), (8, 263050), (10, 210440), (16, 131525), (20, 105220), (25, 84176), (40, 52610), (50, 42088), (80, 26305), (100, 21044), (200, 10522), (400, 5261)]