1720360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 3969000

約数和(自身を除く): 2248640

約数列:

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

約数ペア:

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