140072480

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1783}}^1$

素因数の和:2289

約数の個数: 48

約数和(自身を含む): 331781184

約数和(自身を除く): 191708704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 982, 1783, 1964, 2455, 3566, 3928, 4910, 7132, 7856, 8915, 9820, 14264, 15712, 17830, 19640, 28528, 35660, 39280, 57056, 71320, 78560, 142640, 285280, 875453, 1750906, 3501812, 4377265, 7003624, 8754530, 14007248, 17509060, 28014496, 35018120, 70036240, 140072480]

約数ペア:

[(1, 140072480), (2, 70036240), (4, 35018120), (5, 28014496), (8, 17509060), (10, 14007248), (16, 8754530), (20, 7003624), (32, 4377265), (40, 3501812), (80, 1750906), (160, 875453), (491, 285280), (982, 142640), (1783, 78560), (1964, 71320), (2455, 57056), (3566, 39280), (3928, 35660), (4910, 28528), (7132, 19640), (7856, 17830), (8915, 15712), (9820, 14264)]