83338880

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 200546280

約数和(自身を除く): 117207400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 661, 788, 985, 1322, 1576, 1970, 2644, 3152, 3305, 3940, 5288, 6304, 6610, 7880, 10576, 12608, 13220, 15760, 21152, 25216, 26440, 31520, 42304, 52880, 63040, 84608, 105760, 126080, 130217, 211520, 260434, 423040, 520868, 651085, 1041736, 1302170, 2083472, 2604340, 4166944, 5208680, 8333888, 10417360, 16667776, 20834720, 41669440, 83338880]

約数ペア:

[(1, 83338880), (2, 41669440), (4, 20834720), (5, 16667776), (8, 10417360), (10, 8333888), (16, 5208680), (20, 4166944), (32, 2604340), (40, 2083472), (64, 1302170), (80, 1041736), (128, 651085), (160, 520868), (197, 423040), (320, 260434), (394, 211520), (640, 130217), (661, 126080), (788, 105760), (985, 84608), (1322, 63040), (1576, 52880), (1970, 42304), (2644, 31520), (3152, 26440), (3305, 25216), (3940, 21152), (5288, 15760), (6304, 13220), (6610, 12608), (7880, 10576)]