39667280

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4549}}^1$

素因数の和:4671

約数の個数: 40

約数和(自身を含む): 93093000

約数和(自身を除く): 53425720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4549, 8720, 9098, 18196, 22745, 36392, 45490, 72784, 90980, 181960, 363920, 495841, 991682, 1983364, 2479205, 3966728, 4958410, 7933456, 9916820, 19833640, 39667280]

約数ペア:

[(1, 39667280), (2, 19833640), (4, 9916820), (5, 7933456), (8, 4958410), (10, 3966728), (16, 2479205), (20, 1983364), (40, 991682), (80, 495841), (109, 363920), (218, 181960), (436, 90980), (545, 72784), (872, 45490), (1090, 36392), (1744, 22745), (2180, 18196), (4360, 9098), (4549, 8720)]