8720830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1260

約数の個数: 32

約数和(自身を含む): 17021664

約数和(自身を除く): 8300834

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1193, 1462, 2386, 3655, 5965, 7310, 11930, 20281, 40562, 51299, 101405, 102598, 202810, 256495, 512990, 872083, 1744166, 4360415, 8720830]

約数ペア:

[(1, 8720830), (2, 4360415), (5, 1744166), (10, 872083), (17, 512990), (34, 256495), (43, 202810), (85, 102598), (86, 101405), (170, 51299), (215, 40562), (430, 20281), (731, 11930), (1193, 7310), (1462, 5965), (2386, 3655)]