13278320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 34283520

約数和(自身を除く): 21005200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 191, 220, 316, 382, 395, 440, 632, 764, 790, 869, 880, 955, 1264, 1528, 1580, 1738, 1910, 2101, 3056, 3160, 3476, 3820, 4202, 4345, 6320, 6952, 7640, 8404, 8690, 10505, 13904, 15089, 15280, 16808, 17380, 21010, 30178, 33616, 34760, 42020, 60356, 69520, 75445, 84040, 120712, 150890, 165979, 168080, 241424, 301780, 331958, 603560, 663916, 829895, 1207120, 1327832, 1659790, 2655664, 3319580, 6639160, 13278320]

約数ペア:

[(1, 13278320), (2, 6639160), (4, 3319580), (5, 2655664), (8, 1659790), (10, 1327832), (11, 1207120), (16, 829895), (20, 663916), (22, 603560), (40, 331958), (44, 301780), (55, 241424), (79, 168080), (80, 165979), (88, 150890), (110, 120712), (158, 84040), (176, 75445), (191, 69520), (220, 60356), (316, 42020), (382, 34760), (395, 33616), (440, 30178), (632, 21010), (764, 17380), (790, 16808), (869, 15280), (880, 15089), (955, 13904), (1264, 10505), (1528, 8690), (1580, 8404), (1738, 7640), (1910, 6952), (2101, 6320), (3056, 4345), (3160, 4202), (3476, 3820)]