1419920

素因数分解:

$2^4\times 5^1\times {\mathrm{17749}}^1$

素因数の和:17762

約数の個数: 20

約数和(自身を含む): 3301500

約数和(自身を除く): 1881580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17749, 35498, 70996, 88745, 141992, 177490, 283984, 354980, 709960, 1419920]

約数ペア:

[(1, 1419920), (2, 709960), (4, 354980), (5, 283984), (8, 177490), (10, 141992), (16, 88745), (20, 70996), (40, 35498), (80, 17749)]