127944940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{65951}}^1$

素因数の和:66057

約数の個数: 24

約数和(自身を含む): 271458432

約数和(自身を除く): 143513492

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 65951, 131902, 263804, 329755, 659510, 1319020, 6397247, 12794494, 25588988, 31986235, 63972470, 127944940]

約数ペア:

[(1, 127944940), (2, 63972470), (4, 31986235), (5, 25588988), (10, 12794494), (20, 6397247), (97, 1319020), (194, 659510), (388, 329755), (485, 263804), (970, 131902), (1940, 65951)]