87980240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{23399}}^1$

素因数の和:23459

約数の個数: 40

約数和(自身を含む): 208915200

約数和(自身を除く): 120934960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 23399, 46798, 93596, 116995, 187192, 233990, 374384, 467980, 935960, 1099753, 1871920, 2199506, 4399012, 5498765, 8798024, 10997530, 17596048, 21995060, 43990120, 87980240]

約数ペア:

[(1, 87980240), (2, 43990120), (4, 21995060), (5, 17596048), (8, 10997530), (10, 8798024), (16, 5498765), (20, 4399012), (40, 2199506), (47, 1871920), (80, 1099753), (94, 935960), (188, 467980), (235, 374384), (376, 233990), (470, 187192), (752, 116995), (940, 93596), (1880, 46798), (3760, 23399)]