23820280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1324

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 36054920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1259, 1720, 1892, 2365, 2518, 3784, 4730, 5036, 6295, 9460, 10072, 12590, 13849, 18920, 25180, 27698, 50360, 54137, 55396, 69245, 108274, 110792, 138490, 216548, 270685, 276980, 433096, 541370, 553960, 595507, 1082740, 1191014, 2165480, 2382028, 2977535, 4764056, 5955070, 11910140, 23820280]

約数ペア:

[(1, 23820280), (2, 11910140), (4, 5955070), (5, 4764056), (8, 2977535), (10, 2382028), (11, 2165480), (20, 1191014), (22, 1082740), (40, 595507), (43, 553960), (44, 541370), (55, 433096), (86, 276980), (88, 270685), (110, 216548), (172, 138490), (215, 110792), (220, 108274), (344, 69245), (430, 55396), (440, 54137), (473, 50360), (860, 27698), (946, 25180), (1259, 18920), (1720, 13849), (1892, 12590), (2365, 10072), (2518, 9460), (3784, 6295), (4730, 5036)]