4072400

素因数分解:

$2^4\times 5^2\times {\mathrm{10181}}^1$

素因数の和:10199

約数の個数: 30

約数和(自身を含む): 9784902

約数和(自身を除く): 5712502

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 10181, 20362, 40724, 50905, 81448, 101810, 162896, 203620, 254525, 407240, 509050, 814480, 1018100, 2036200, 4072400]

約数ペア:

[(1, 4072400), (2, 2036200), (4, 1018100), (5, 814480), (8, 509050), (10, 407240), (16, 254525), (20, 203620), (25, 162896), (40, 101810), (50, 81448), (80, 50905), (100, 40724), (200, 20362), (400, 10181)]