65498560

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1039}}^1$

素因数の和:1253

約数の個数: 56

約数和(自身を含む): 156911040

約数和(自身を除く): 91412480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1039, 1576, 1970, 2078, 3152, 3940, 4156, 5195, 6304, 7880, 8312, 10390, 12608, 15760, 16624, 20780, 31520, 33248, 41560, 63040, 66496, 83120, 166240, 204683, 332480, 409366, 818732, 1023415, 1637464, 2046830, 3274928, 4093660, 6549856, 8187320, 13099712, 16374640, 32749280, 65498560]

約数ペア:

[(1, 65498560), (2, 32749280), (4, 16374640), (5, 13099712), (8, 8187320), (10, 6549856), (16, 4093660), (20, 3274928), (32, 2046830), (40, 1637464), (64, 1023415), (80, 818732), (160, 409366), (197, 332480), (320, 204683), (394, 166240), (788, 83120), (985, 66496), (1039, 63040), (1576, 41560), (1970, 33248), (2078, 31520), (3152, 20780), (3940, 16624), (4156, 15760), (5195, 12608), (6304, 10390), (7880, 8312)]