71289760

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2239}}^1$

素因数の和:2453

約数の個数: 48

約数和(自身を含む): 169344000

約数和(自身を除く): 98054240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 2239, 3184, 3980, 4478, 6368, 7960, 8956, 11195, 15920, 17912, 22390, 31840, 35824, 44780, 71648, 89560, 179120, 358240, 445561, 891122, 1782244, 2227805, 3564488, 4455610, 7128976, 8911220, 14257952, 17822440, 35644880, 71289760]

約数ペア:

[(1, 71289760), (2, 35644880), (4, 17822440), (5, 14257952), (8, 8911220), (10, 7128976), (16, 4455610), (20, 3564488), (32, 2227805), (40, 1782244), (80, 891122), (160, 445561), (199, 358240), (398, 179120), (796, 89560), (995, 71648), (1592, 44780), (1990, 35824), (2239, 31840), (3184, 22390), (3980, 17912), (4478, 15920), (6368, 11195), (7960, 8956)]