29283920

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{941}}^1$

素因数の和:1343

約数の個数: 40

約数和(自身を含む): 68332680

約数和(自身を除く): 39048760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 941, 1556, 1882, 1945, 3112, 3764, 3890, 4705, 6224, 7528, 7780, 9410, 15056, 15560, 18820, 31120, 37640, 75280, 366049, 732098, 1464196, 1830245, 2928392, 3660490, 5856784, 7320980, 14641960, 29283920]

約数ペア:

[(1, 29283920), (2, 14641960), (4, 7320980), (5, 5856784), (8, 3660490), (10, 2928392), (16, 1830245), (20, 1464196), (40, 732098), (80, 366049), (389, 75280), (778, 37640), (941, 31120), (1556, 18820), (1882, 15560), (1945, 15056), (3112, 9410), (3764, 7780), (3890, 7528), (4705, 6224)]