26316860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 57480192

約数和(自身を除く): 31163332

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 431, 710, 860, 862, 1420, 1724, 2155, 3053, 4310, 6106, 8620, 12212, 15265, 18533, 30530, 30601, 37066, 61060, 61202, 74132, 92665, 122404, 153005, 185330, 306010, 370660, 612020, 1315843, 2631686, 5263372, 6579215, 13158430, 26316860]

約数ペア:

[(1, 26316860), (2, 13158430), (4, 6579215), (5, 5263372), (10, 2631686), (20, 1315843), (43, 612020), (71, 370660), (86, 306010), (142, 185330), (172, 153005), (215, 122404), (284, 92665), (355, 74132), (430, 61202), (431, 61060), (710, 37066), (860, 30601), (862, 30530), (1420, 18533), (1724, 15265), (2155, 12212), (3053, 8620), (4310, 6106)]