77832880

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4889}}^1$

素因数の和:5101

約数の個数: 40

約数和(自身を含む): 181908000

約数和(自身を除く): 104075120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 4889, 7960, 9778, 15920, 19556, 24445, 39112, 48890, 78224, 97780, 195560, 391120, 972911, 1945822, 3891644, 4864555, 7783288, 9729110, 15566576, 19458220, 38916440, 77832880]

約数ペア:

[(1, 77832880), (2, 38916440), (4, 19458220), (5, 15566576), (8, 9729110), (10, 7783288), (16, 4864555), (20, 3891644), (40, 1945822), (80, 972911), (199, 391120), (398, 195560), (796, 97780), (995, 78224), (1592, 48890), (1990, 39112), (3184, 24445), (3980, 19556), (4889, 15920), (7960, 9778)]