55505080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 132480000

約数和(自身を除く): 76974920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 367, 380, 398, 734, 760, 796, 995, 1468, 1592, 1835, 1990, 2936, 3670, 3781, 3980, 6973, 7340, 7562, 7960, 13946, 14680, 15124, 18905, 27892, 30248, 34865, 37810, 55784, 69730, 73033, 75620, 139460, 146066, 151240, 278920, 292132, 365165, 584264, 730330, 1387627, 1460660, 2775254, 2921320, 5550508, 6938135, 11101016, 13876270, 27752540, 55505080]

約数ペア:

[(1, 55505080), (2, 27752540), (4, 13876270), (5, 11101016), (8, 6938135), (10, 5550508), (19, 2921320), (20, 2775254), (38, 1460660), (40, 1387627), (76, 730330), (95, 584264), (152, 365165), (190, 292132), (199, 278920), (367, 151240), (380, 146066), (398, 139460), (734, 75620), (760, 73033), (796, 69730), (995, 55784), (1468, 37810), (1592, 34865), (1835, 30248), (1990, 27892), (2936, 18905), (3670, 15124), (3781, 14680), (3980, 13946), (6973, 7960), (7340, 7562)]