16831480

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{857}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 37992240

約数和(自身を除く): 21160760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 857, 982, 1714, 1964, 2455, 3428, 3928, 4285, 4910, 6856, 8570, 9820, 17140, 19640, 34280, 420787, 841574, 1683148, 2103935, 3366296, 4207870, 8415740, 16831480]

約数ペア:

[(1, 16831480), (2, 8415740), (4, 4207870), (5, 3366296), (8, 2103935), (10, 1683148), (20, 841574), (40, 420787), (491, 34280), (857, 19640), (982, 17140), (1714, 9820), (1964, 8570), (2455, 6856), (3428, 4910), (3928, 4285)]