56311480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82811}}^1$

素因数の和:82839

約数の個数: 32

約数和(自身を含む): 134155440

約数和(自身を除く): 77843960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 82811, 165622, 331244, 414055, 662488, 828110, 1407787, 1656220, 2815574, 3312440, 5631148, 7038935, 11262296, 14077870, 28155740, 56311480]

約数ペア:

[(1, 56311480), (2, 28155740), (4, 14077870), (5, 11262296), (8, 7038935), (10, 5631148), (17, 3312440), (20, 2815574), (34, 1656220), (40, 1407787), (68, 828110), (85, 662488), (136, 414055), (170, 331244), (340, 165622), (680, 82811)]