13254040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3217}}^1$

素因数の和:3331

約数の個数: 32

約数和(自身を含む): 30120480

約数和(自身を除く): 16866440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3217, 4120, 6434, 12868, 16085, 25736, 32170, 64340, 128680, 331351, 662702, 1325404, 1656755, 2650808, 3313510, 6627020, 13254040]

約数ペア:

[(1, 13254040), (2, 6627020), (4, 3313510), (5, 2650808), (8, 1656755), (10, 1325404), (20, 662702), (40, 331351), (103, 128680), (206, 64340), (412, 32170), (515, 25736), (824, 16085), (1030, 12868), (2060, 6434), (3217, 4120)]