108580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 234360

約数和(自身を除く): 125780

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 305, 356, 445, 610, 890, 1220, 1780, 5429, 10858, 21716, 27145, 54290, 108580]

約数ペア:

[(1, 108580), (2, 54290), (4, 27145), (5, 21716), (10, 10858), (20, 5429), (61, 1780), (89, 1220), (122, 890), (178, 610), (244, 445), (305, 356)]