28097780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45319}}^1$

素因数の和:45359

約数の個数: 24

約数和(自身を含む): 60910080

約数和(自身を除く): 32812300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45319, 90638, 181276, 226595, 453190, 906380, 1404889, 2809778, 5619556, 7024445, 14048890, 28097780]

約数ペア:

[(1, 28097780), (2, 14048890), (4, 7024445), (5, 5619556), (10, 2809778), (20, 1404889), (31, 906380), (62, 453190), (124, 226595), (155, 181276), (310, 90638), (620, 45319)]