81140300

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{6389}}^1$

素因数の和:6530

約数の個数: 36

約数和(自身を含む): 177488640

約数和(自身を除く): 96348340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 2540, 3175, 6350, 6389, 12700, 12778, 25556, 31945, 63890, 127780, 159725, 319450, 638900, 811403, 1622806, 3245612, 4057015, 8114030, 16228060, 20285075, 40570150, 81140300]

約数ペア:

[(1, 81140300), (2, 40570150), (4, 20285075), (5, 16228060), (10, 8114030), (20, 4057015), (25, 3245612), (50, 1622806), (100, 811403), (127, 638900), (254, 319450), (508, 159725), (635, 127780), (1270, 63890), (2540, 31945), (3175, 25556), (6350, 12778), (6389, 12700)]