2005804580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{38767}}^1$

素因数の和:38988

約数の個数: 48

約数和(自身を含む): 4559116800

約数和(自身を除く): 2553312220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 5174, 10348, 12935, 25870, 38767, 51740, 77534, 155068, 193835, 387670, 503971, 775340, 1007942, 2015884, 2519855, 5039710, 7714633, 10079420, 15429266, 30858532, 38573165, 77146330, 100290229, 154292660, 200580458, 401160916, 501451145, 1002902290, 2005804580]

約数ペア:

[(1, 2005804580), (2, 1002902290), (4, 501451145), (5, 401160916), (10, 200580458), (13, 154292660), (20, 100290229), (26, 77146330), (52, 38573165), (65, 30858532), (130, 15429266), (199, 10079420), (260, 7714633), (398, 5039710), (796, 2519855), (995, 2015884), (1990, 1007942), (2587, 775340), (3980, 503971), (5174, 387670), (10348, 193835), (12935, 155068), (25870, 77534), (38767, 51740)]