30956560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8999}}^1$

素因数の和:9055

約数の個数: 40

約数和(自身を含む): 73656000

約数和(自身を除く): 42699440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8999, 17998, 35996, 44995, 71992, 89990, 143984, 179980, 359960, 386957, 719920, 773914, 1547828, 1934785, 3095656, 3869570, 6191312, 7739140, 15478280, 30956560]

約数ペア:

[(1, 30956560), (2, 15478280), (4, 7739140), (5, 6191312), (8, 3869570), (10, 3095656), (16, 1934785), (20, 1547828), (40, 773914), (43, 719920), (80, 386957), (86, 359960), (172, 179980), (215, 143984), (344, 89990), (430, 71992), (688, 44995), (860, 35996), (1720, 17998), (3440, 8999)]