61912880

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3889}}^1$

素因数の和:4101

約数の個数: 40

約数和(自身を含む): 144708000

約数和(自身を除く): 82795120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3889, 3980, 7778, 7960, 15556, 15920, 19445, 31112, 38890, 62224, 77780, 155560, 311120, 773911, 1547822, 3095644, 3869555, 6191288, 7739110, 12382576, 15478220, 30956440, 61912880]

約数ペア:

[(1, 61912880), (2, 30956440), (4, 15478220), (5, 12382576), (8, 7739110), (10, 6191288), (16, 3869555), (20, 3095644), (40, 1547822), (80, 773911), (199, 311120), (398, 155560), (796, 77780), (995, 62224), (1592, 38890), (1990, 31112), (3184, 19445), (3889, 15920), (3980, 15556), (7778, 7960)]