12511120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8231}}^1$

素因数の和:8263

約数の個数: 40

約数和(自身を含む): 30623040

約数和(自身を除く): 18111920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8231, 16462, 32924, 41155, 65848, 82310, 131696, 156389, 164620, 312778, 329240, 625556, 658480, 781945, 1251112, 1563890, 2502224, 3127780, 6255560, 12511120]

約数ペア:

[(1, 12511120), (2, 6255560), (4, 3127780), (5, 2502224), (8, 1563890), (10, 1251112), (16, 781945), (19, 658480), (20, 625556), (38, 329240), (40, 312778), (76, 164620), (80, 156389), (95, 131696), (152, 82310), (190, 65848), (304, 41155), (380, 32924), (760, 16462), (1520, 8231)]