2545243340

素因数分解:

$2^2\times 5^1\times {\mathrm{18773}}^1\times {\mathrm{6779}}^1$

素因数の和:25561

約数の個数: 24

約数和(自身を含む): 5346084240

約数和(自身を除く): 2800840900

約数列:

[1, 2, 4, 5, 10, 20, 6779, 13558, 18773, 27116, 33895, 37546, 67790, 75092, 93865, 135580, 187730, 375460, 127262167, 254524334, 509048668, 636310835, 1272621670, 2545243340]

約数ペア:

[(1, 2545243340), (2, 1272621670), (4, 636310835), (5, 509048668), (10, 254524334), (20, 127262167), (6779, 375460), (13558, 187730), (18773, 135580), (27116, 93865), (33895, 75092), (37546, 67790)]