26028760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 61696800

約数和(自身を除く): 35668040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 409, 430, 740, 818, 860, 1480, 1591, 1636, 1720, 2045, 3182, 3272, 4090, 6364, 7955, 8180, 12728, 15133, 15910, 16360, 17587, 30266, 31820, 35174, 60532, 63640, 70348, 75665, 87935, 121064, 140696, 151330, 175870, 302660, 351740, 605320, 650719, 703480, 1301438, 2602876, 3253595, 5205752, 6507190, 13014380, 26028760]

約数ペア:

[(1, 26028760), (2, 13014380), (4, 6507190), (5, 5205752), (8, 3253595), (10, 2602876), (20, 1301438), (37, 703480), (40, 650719), (43, 605320), (74, 351740), (86, 302660), (148, 175870), (172, 151330), (185, 140696), (215, 121064), (296, 87935), (344, 75665), (370, 70348), (409, 63640), (430, 60532), (740, 35174), (818, 31820), (860, 30266), (1480, 17587), (1591, 16360), (1636, 15910), (1720, 15133), (2045, 12728), (3182, 8180), (3272, 7955), (4090, 6364)]