2930680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1787}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 6758640

約数和(自身を除く): 3827960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1787, 3574, 7148, 8935, 14296, 17870, 35740, 71480, 73267, 146534, 293068, 366335, 586136, 732670, 1465340, 2930680]

約数ペア:

[(1, 2930680), (2, 1465340), (4, 732670), (5, 586136), (8, 366335), (10, 293068), (20, 146534), (40, 73267), (41, 71480), (82, 35740), (164, 17870), (205, 14296), (328, 8935), (410, 7148), (820, 3574), (1640, 1787)]