25252040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1979}}^1$

素因数の和:2030

約数の個数: 64

約数和(自身を含む): 64152000

約数和(自身を除く): 38899960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 1979, 2552, 3190, 3958, 6380, 7916, 9895, 12760, 15832, 19790, 21769, 39580, 43538, 57391, 79160, 87076, 108845, 114782, 174152, 217690, 229564, 286955, 435380, 459128, 573910, 631301, 870760, 1147820, 1262602, 2295640, 2525204, 3156505, 5050408, 6313010, 12626020, 25252040]

約数ペア:

[(1, 25252040), (2, 12626020), (4, 6313010), (5, 5050408), (8, 3156505), (10, 2525204), (11, 2295640), (20, 1262602), (22, 1147820), (29, 870760), (40, 631301), (44, 573910), (55, 459128), (58, 435380), (88, 286955), (110, 229564), (116, 217690), (145, 174152), (220, 114782), (232, 108845), (290, 87076), (319, 79160), (440, 57391), (580, 43538), (638, 39580), (1160, 21769), (1276, 19790), (1595, 15832), (1979, 12760), (2552, 9895), (3190, 7916), (3958, 6380)]