22691440

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3187}}^1$

素因数の和:3289

約数の個数: 40

約数和(自身を含む): 53367120

約数和(自身を除く): 30675680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3187, 3560, 6374, 7120, 12748, 15935, 25496, 31870, 50992, 63740, 127480, 254960, 283643, 567286, 1134572, 1418215, 2269144, 2836430, 4538288, 5672860, 11345720, 22691440]

約数ペア:

[(1, 22691440), (2, 11345720), (4, 5672860), (5, 4538288), (8, 2836430), (10, 2269144), (16, 1418215), (20, 1134572), (40, 567286), (80, 283643), (89, 254960), (178, 127480), (356, 63740), (445, 50992), (712, 31870), (890, 25496), (1424, 15935), (1780, 12748), (3187, 7120), (3560, 6374)]