51697120

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3331}}^1$

素因数の和:3443

約数の個数: 48

約数和(自身を含む): 123430608

約数和(自身を除く): 71733488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3331, 3880, 6662, 7760, 13324, 15520, 16655, 26648, 33310, 53296, 66620, 106592, 133240, 266480, 323107, 532960, 646214, 1292428, 1615535, 2584856, 3231070, 5169712, 6462140, 10339424, 12924280, 25848560, 51697120]

約数ペア:

[(1, 51697120), (2, 25848560), (4, 12924280), (5, 10339424), (8, 6462140), (10, 5169712), (16, 3231070), (20, 2584856), (32, 1615535), (40, 1292428), (80, 646214), (97, 532960), (160, 323107), (194, 266480), (388, 133240), (485, 106592), (776, 66620), (970, 53296), (1552, 33310), (1940, 26648), (3104, 16655), (3331, 15520), (3880, 13324), (6662, 7760)]