808975340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{940669}}^1$

素因数の和:940721

約数の個数: 24

約数和(自身を含む): 1738358160

約数和(自身を除く): 929382820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 940669, 1881338, 3762676, 4703345, 9406690, 18813380, 40448767, 80897534, 161795068, 202243835, 404487670, 808975340]

約数ペア:

[(1, 808975340), (2, 404487670), (4, 202243835), (5, 161795068), (10, 80897534), (20, 40448767), (43, 18813380), (86, 9406690), (172, 4703345), (215, 3762676), (430, 1881338), (860, 940669)]