22227280

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2549}}^1$

素因数の和:2671

約数の個数: 40

約数和(自身を含む): 52173000

約数和(自身を除く): 29945720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2549, 4360, 5098, 8720, 10196, 12745, 20392, 25490, 40784, 50980, 101960, 203920, 277841, 555682, 1111364, 1389205, 2222728, 2778410, 4445456, 5556820, 11113640, 22227280]

約数ペア:

[(1, 22227280), (2, 11113640), (4, 5556820), (5, 4445456), (8, 2778410), (10, 2222728), (16, 1389205), (20, 1111364), (40, 555682), (80, 277841), (109, 203920), (218, 101960), (436, 50980), (545, 40784), (872, 25490), (1090, 20392), (1744, 12745), (2180, 10196), (2549, 8720), (4360, 5098)]