79452280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18223}}^1$

素因数の和:18343

約数の個数: 32

約数和(自身を含む): 180417600

約数和(自身を除く): 100965320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 18223, 36446, 72892, 91115, 145784, 182230, 364460, 728920, 1986307, 3972614, 7945228, 9931535, 15890456, 19863070, 39726140, 79452280]

約数ペア:

[(1, 79452280), (2, 39726140), (4, 19863070), (5, 15890456), (8, 9931535), (10, 7945228), (20, 3972614), (40, 1986307), (109, 728920), (218, 364460), (436, 182230), (545, 145784), (872, 91115), (1090, 72892), (2180, 36446), (4360, 18223)]