13220960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4349}}^1$

素因数の和:4383

約数の個数: 48

約数和(自身を含む): 32886000

約数和(自身を除く): 19665040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 4349, 8698, 17396, 21745, 34792, 43490, 69584, 82631, 86980, 139168, 165262, 173960, 330524, 347920, 413155, 661048, 695840, 826310, 1322096, 1652620, 2644192, 3305240, 6610480, 13220960]

約数ペア:

[(1, 13220960), (2, 6610480), (4, 3305240), (5, 2644192), (8, 1652620), (10, 1322096), (16, 826310), (19, 695840), (20, 661048), (32, 413155), (38, 347920), (40, 330524), (76, 173960), (80, 165262), (95, 139168), (152, 86980), (160, 82631), (190, 69584), (304, 43490), (380, 34792), (608, 21745), (760, 17396), (1520, 8698), (3040, 4349)]