66823040

素因数分解:

$2^7\times 5^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 160760160

約数和(自身を除く): 93937120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 263, 320, 397, 526, 640, 794, 1052, 1315, 1588, 1985, 2104, 2630, 3176, 3970, 4208, 5260, 6352, 7940, 8416, 10520, 12704, 15880, 16832, 21040, 25408, 31760, 33664, 42080, 50816, 63520, 84160, 104411, 127040, 168320, 208822, 254080, 417644, 522055, 835288, 1044110, 1670576, 2088220, 3341152, 4176440, 6682304, 8352880, 13364608, 16705760, 33411520, 66823040]

約数ペア:

[(1, 66823040), (2, 33411520), (4, 16705760), (5, 13364608), (8, 8352880), (10, 6682304), (16, 4176440), (20, 3341152), (32, 2088220), (40, 1670576), (64, 1044110), (80, 835288), (128, 522055), (160, 417644), (263, 254080), (320, 208822), (397, 168320), (526, 127040), (640, 104411), (794, 84160), (1052, 63520), (1315, 50816), (1588, 42080), (1985, 33664), (2104, 31760), (2630, 25408), (3176, 21040), (3970, 16832), (4208, 15880), (5260, 12704), (6352, 10520), (7940, 8416)]