61377880

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{6367}}^1$

素因数の和:6619

約数の個数: 32

約数和(自身を含む): 138695040

約数和(自身を除く): 77317160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 6367, 9640, 12734, 25468, 31835, 50936, 63670, 127340, 254680, 1534447, 3068894, 6137788, 7672235, 12275576, 15344470, 30688940, 61377880]

約数ペア:

[(1, 61377880), (2, 30688940), (4, 15344470), (5, 12275576), (8, 7672235), (10, 6137788), (20, 3068894), (40, 1534447), (241, 254680), (482, 127340), (964, 63670), (1205, 50936), (1928, 31835), (2410, 25468), (4820, 12734), (6367, 9640)]