171777080

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{5011}}^1$

素因数の和:5879

約数の個数: 32

約数和(自身を含む): 387026640

約数和(自身を除く): 215249560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 3428, 4285, 5011, 6856, 8570, 10022, 17140, 20044, 25055, 34280, 40088, 50110, 100220, 200440, 4294427, 8588854, 17177708, 21472135, 34355416, 42944270, 85888540, 171777080]

約数ペア:

[(1, 171777080), (2, 85888540), (4, 42944270), (5, 34355416), (8, 21472135), (10, 17177708), (20, 8588854), (40, 4294427), (857, 200440), (1714, 100220), (3428, 50110), (4285, 40088), (5011, 34280), (6856, 25055), (8570, 20044), (10022, 17140)]