19571440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34949}}^1$

素因数の和:34969

約数の個数: 40

約数和(自身を含む): 52005600

約数和(自身を除く): 32434160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34949, 69898, 139796, 174745, 244643, 279592, 349490, 489286, 559184, 698980, 978572, 1223215, 1397960, 1957144, 2446430, 2795920, 3914288, 4892860, 9785720, 19571440]

約数ペア:

[(1, 19571440), (2, 9785720), (4, 4892860), (5, 3914288), (7, 2795920), (8, 2446430), (10, 1957144), (14, 1397960), (16, 1223215), (20, 978572), (28, 698980), (35, 559184), (40, 489286), (56, 349490), (70, 279592), (80, 244643), (112, 174745), (140, 139796), (280, 69898), (560, 34949)]