80206904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3361}}^1$

素因数の和:3543

約数の個数: 32

約数和(自身を含む): 159358800

約数和(自身を除く): 79151896

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 314, 628, 1256, 2983, 3361, 5966, 6722, 11932, 13444, 23864, 26888, 63859, 127718, 255436, 510872, 527677, 1055354, 2110708, 4221416, 10025863, 20051726, 40103452, 80206904]

約数ペア:

[(1, 80206904), (2, 40103452), (4, 20051726), (8, 10025863), (19, 4221416), (38, 2110708), (76, 1055354), (152, 527677), (157, 510872), (314, 255436), (628, 127718), (1256, 63859), (2983, 26888), (3361, 23864), (5966, 13444), (6722, 11932)]