201321520

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{6857}}^1$

素因数の和:7237

約数の個数: 40

約数和(自身を含む): 469416384

約数和(自身を除く): 268094864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 1468, 1835, 2936, 3670, 5872, 6857, 7340, 13714, 14680, 27428, 29360, 34285, 54856, 68570, 109712, 137140, 274280, 548560, 2516519, 5033038, 10066076, 12582595, 20132152, 25165190, 40264304, 50330380, 100660760, 201321520]

約数ペア:

[(1, 201321520), (2, 100660760), (4, 50330380), (5, 40264304), (8, 25165190), (10, 20132152), (16, 12582595), (20, 10066076), (40, 5033038), (80, 2516519), (367, 548560), (734, 274280), (1468, 137140), (1835, 109712), (2936, 68570), (3670, 54856), (5872, 34285), (6857, 29360), (7340, 27428), (13714, 14680)]