4040960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 12362112

約数和(自身を除く): 8321152

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 41, 44, 55, 56, 64, 70, 77, 80, 82, 88, 110, 112, 128, 140, 154, 160, 164, 176, 205, 220, 224, 256, 280, 287, 308, 320, 328, 352, 385, 410, 440, 448, 451, 560, 574, 616, 640, 656, 704, 770, 820, 880, 896, 902, 1120, 1148, 1232, 1280, 1312, 1408, 1435, 1540, 1640, 1760, 1792, 1804, 2240, 2255, 2296, 2464, 2624, 2816, 2870, 3080, 3157, 3280, 3520, 3608, 4480, 4510, 4592, 4928, 5248, 5740, 6160, 6314, 6560, 7040, 7216, 8960, 9020, 9184, 9856, 10496, 11480, 12320, 12628, 13120, 14080, 14432, 15785, 18040, 18368, 19712, 22960, 24640, 25256, 26240, 28864, 31570, 36080, 36736, 45920, 49280, 50512, 52480, 57728, 63140, 72160, 73472, 91840, 98560, 101024, 115456, 126280, 144320, 183680, 202048, 252560, 288640, 367360, 404096, 505120, 577280, 808192, 1010240, 2020480, 4040960]

約数ペア:

[(1, 4040960), (2, 2020480), (4, 1010240), (5, 808192), (7, 577280), (8, 505120), (10, 404096), (11, 367360), (14, 288640), (16, 252560), (20, 202048), (22, 183680), (28, 144320), (32, 126280), (35, 115456), (40, 101024), (41, 98560), (44, 91840), (55, 73472), (56, 72160), (64, 63140), (70, 57728), (77, 52480), (80, 50512), (82, 49280), (88, 45920), (110, 36736), (112, 36080), (128, 31570), (140, 28864), (154, 26240), (160, 25256), (164, 24640), (176, 22960), (205, 19712), (220, 18368), (224, 18040), (256, 15785), (280, 14432), (287, 14080), (308, 13120), (320, 12628), (328, 12320), (352, 11480), (385, 10496), (410, 9856), (440, 9184), (448, 9020), (451, 8960), (560, 7216), (574, 7040), (616, 6560), (640, 6314), (656, 6160), (704, 5740), (770, 5248), (820, 4928), (880, 4592), (896, 4510), (902, 4480), (1120, 3608), (1148, 3520), (1232, 3280), (1280, 3157), (1312, 3080), (1408, 2870), (1435, 2816), (1540, 2624), (1640, 2464), (1760, 2296), (1792, 2255), (1804, 2240)]