16064840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 24759160

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, 1259, 1276, 1595, 2518, 2552, 3190, 5036, 6295, 6380, 10072, 12590, 12760, 13849, 25180, 27698, 36511, 50360, 55396, 69245, 73022, 110792, 138490, 146044, 182555, 276980, 292088, 365110, 401621, 553960, 730220, 803242, 1460440, 1606484, 2008105, 3212968, 4016210, 8032420, 16064840]

約数ペア:

[(1, 16064840), (2, 8032420), (4, 4016210), (5, 3212968), (8, 2008105), (10, 1606484), (11, 1460440), (20, 803242), (22, 730220), (29, 553960), (40, 401621), (44, 365110), (55, 292088), (58, 276980), (88, 182555), (110, 146044), (116, 138490), (145, 110792), (220, 73022), (232, 69245), (290, 55396), (319, 50360), (440, 36511), (580, 27698), (638, 25180), (1160, 13849), (1259, 12760), (1276, 12590), (1595, 10072), (2518, 6380), (2552, 6295), (3190, 5036)]