90265120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{51287}}^1$

素因数の和:51313

約数の個数: 48

約数和(自身を含む): 232642368

約数和(自身を除く): 142377248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 51287, 102574, 205148, 256435, 410296, 512870, 564157, 820592, 1025740, 1128314, 1641184, 2051480, 2256628, 2820785, 4102960, 4513256, 5641570, 8205920, 9026512, 11283140, 18053024, 22566280, 45132560, 90265120]

約数ペア:

[(1, 90265120), (2, 45132560), (4, 22566280), (5, 18053024), (8, 11283140), (10, 9026512), (11, 8205920), (16, 5641570), (20, 4513256), (22, 4102960), (32, 2820785), (40, 2256628), (44, 2051480), (55, 1641184), (80, 1128314), (88, 1025740), (110, 820592), (160, 564157), (176, 512870), (220, 410296), (352, 256435), (440, 205148), (880, 102574), (1760, 51287)]