133119920

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3389}}^1$

素因数の和:3893

約数の個数: 40

約数和(自身を含む): 310225680

約数和(自身を除く): 177105760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3389, 3928, 4910, 6778, 7856, 9820, 13556, 16945, 19640, 27112, 33890, 39280, 54224, 67780, 135560, 271120, 1663999, 3327998, 6655996, 8319995, 13311992, 16639990, 26623984, 33279980, 66559960, 133119920]

約数ペア:

[(1, 133119920), (2, 66559960), (4, 33279980), (5, 26623984), (8, 16639990), (10, 13311992), (16, 8319995), (20, 6655996), (40, 3327998), (80, 1663999), (491, 271120), (982, 135560), (1964, 67780), (2455, 54224), (3389, 39280), (3928, 33890), (4910, 27112), (6778, 19640), (7856, 16945), (9820, 13556)]