31900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:54

約数の個数: 36

約数和(自身を含む): 78120

約数和(自身を除く): 46220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2900, 3190, 6380, 7975, 15950, 31900]

約数ペア:

[(1, 31900), (2, 15950), (4, 7975), (5, 6380), (10, 3190), (11, 2900), (20, 1595), (22, 1450), (25, 1276), (29, 1100), (44, 725), (50, 638), (55, 580), (58, 550), (100, 319), (110, 290), (116, 275), (145, 220)]