2839840

素因数分解:

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

素因数の和:17764

約数の個数: 24

約数和(自身を含む): 6709500

約数和(自身を除く): 3869660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 17749, 35498, 70996, 88745, 141992, 177490, 283984, 354980, 567968, 709960, 1419920, 2839840]

約数ペア:

[(1, 2839840), (2, 1419920), (4, 709960), (5, 567968), (8, 354980), (10, 283984), (16, 177490), (20, 141992), (32, 88745), (40, 70996), (80, 35498), (160, 17749)]