3440720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1103

約数の個数: 40

約数和(自身を含む): 8202600

約数和(自身を除く): 4761880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1049, 1640, 2098, 3280, 4196, 5245, 8392, 10490, 16784, 20980, 41960, 43009, 83920, 86018, 172036, 215045, 344072, 430090, 688144, 860180, 1720360, 3440720]

約数ペア:

[(1, 3440720), (2, 1720360), (4, 860180), (5, 688144), (8, 430090), (10, 344072), (16, 215045), (20, 172036), (40, 86018), (41, 83920), (80, 43009), (82, 41960), (164, 20980), (205, 16784), (328, 10490), (410, 8392), (656, 5245), (820, 4196), (1049, 3280), (1640, 2098)]