40042240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 113319360

約数和(自身を除く): 73277120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 109, 112, 128, 140, 160, 164, 205, 218, 224, 256, 280, 287, 320, 328, 410, 436, 448, 545, 560, 574, 640, 656, 763, 820, 872, 896, 1090, 1120, 1148, 1280, 1312, 1435, 1526, 1640, 1744, 1792, 2180, 2240, 2296, 2624, 2870, 3052, 3280, 3488, 3815, 4360, 4469, 4480, 4592, 5248, 5740, 6104, 6560, 6976, 7630, 8720, 8938, 8960, 9184, 10496, 11480, 12208, 13120, 13952, 15260, 17440, 17876, 18368, 22345, 22960, 24416, 26240, 27904, 30520, 31283, 34880, 35752, 36736, 44690, 45920, 48832, 52480, 61040, 62566, 69760, 71504, 73472, 89380, 91840, 97664, 122080, 125132, 139520, 143008, 156415, 178760, 183680, 195328, 244160, 250264, 286016, 312830, 357520, 367360, 488320, 500528, 572032, 625660, 715040, 976640, 1001056, 1144064, 1251320, 1430080, 2002112, 2502640, 2860160, 4004224, 5005280, 5720320, 8008448, 10010560, 20021120, 40042240]

約数ペア:

[(1, 40042240), (2, 20021120), (4, 10010560), (5, 8008448), (7, 5720320), (8, 5005280), (10, 4004224), (14, 2860160), (16, 2502640), (20, 2002112), (28, 1430080), (32, 1251320), (35, 1144064), (40, 1001056), (41, 976640), (56, 715040), (64, 625660), (70, 572032), (80, 500528), (82, 488320), (109, 367360), (112, 357520), (128, 312830), (140, 286016), (160, 250264), (164, 244160), (205, 195328), (218, 183680), (224, 178760), (256, 156415), (280, 143008), (287, 139520), (320, 125132), (328, 122080), (410, 97664), (436, 91840), (448, 89380), (545, 73472), (560, 71504), (574, 69760), (640, 62566), (656, 61040), (763, 52480), (820, 48832), (872, 45920), (896, 44690), (1090, 36736), (1120, 35752), (1148, 34880), (1280, 31283), (1312, 30520), (1435, 27904), (1526, 26240), (1640, 24416), (1744, 22960), (1792, 22345), (2180, 18368), (2240, 17876), (2296, 17440), (2624, 15260), (2870, 13952), (3052, 13120), (3280, 12208), (3488, 11480), (3815, 10496), (4360, 9184), (4469, 8960), (4480, 8938), (4592, 8720), (5248, 7630), (5740, 6976), (6104, 6560)]