79895720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46451}}^1$

素因数の和:46505

約数の個数: 32

約数和(自身を含む): 183949920

約数和(自身を除く): 104054200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 46451, 92902, 185804, 232255, 371608, 464510, 929020, 1858040, 1997393, 3994786, 7989572, 9986965, 15979144, 19973930, 39947860, 79895720]

約数ペア:

[(1, 79895720), (2, 39947860), (4, 19973930), (5, 15979144), (8, 9986965), (10, 7989572), (20, 3994786), (40, 1997393), (43, 1858040), (86, 929020), (172, 464510), (215, 371608), (344, 232255), (430, 185804), (860, 92902), (1720, 46451)]