4050220

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 8545824

約数和(自身を除く): 4495604

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 647, 1252, 1294, 1565, 2588, 3130, 3235, 6260, 6470, 12940, 202511, 405022, 810044, 1012555, 2025110, 4050220]

約数ペア:

[(1, 4050220), (2, 2025110), (4, 1012555), (5, 810044), (10, 405022), (20, 202511), (313, 12940), (626, 6470), (647, 6260), (1252, 3235), (1294, 3130), (1565, 2588)]