25864520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2027}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 65707200

約数和(自身を除く): 39842680

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, 2027, 2552, 3190, 4054, 6380, 8108, 10135, 12760, 16216, 20270, 22297, 40540, 44594, 58783, 81080, 89188, 111485, 117566, 178376, 222970, 235132, 293915, 445940, 470264, 587830, 646613, 891880, 1175660, 1293226, 2351320, 2586452, 3233065, 5172904, 6466130, 12932260, 25864520]

約数ペア:

[(1, 25864520), (2, 12932260), (4, 6466130), (5, 5172904), (8, 3233065), (10, 2586452), (11, 2351320), (20, 1293226), (22, 1175660), (29, 891880), (40, 646613), (44, 587830), (55, 470264), (58, 445940), (88, 293915), (110, 235132), (116, 222970), (145, 178376), (220, 117566), (232, 111485), (290, 89188), (319, 81080), (440, 58783), (580, 44594), (638, 40540), (1160, 22297), (1276, 20270), (1595, 16216), (2027, 12760), (2552, 10135), (3190, 8108), (4054, 6380)]