80563456

素因数分解:

$2^8\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1214

約数の個数: 36

約数和(自身を含む): 161424900

約数和(自身を除く): 80861444

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 389, 778, 809, 1556, 1618, 3112, 3236, 6224, 6472, 12448, 12944, 24896, 25888, 49792, 51776, 99584, 103552, 207104, 314701, 629402, 1258804, 2517608, 5035216, 10070432, 20140864, 40281728, 80563456]

約数ペア:

[(1, 80563456), (2, 40281728), (4, 20140864), (8, 10070432), (16, 5035216), (32, 2517608), (64, 1258804), (128, 629402), (256, 314701), (389, 207104), (778, 103552), (809, 99584), (1556, 51776), (1618, 49792), (3112, 25888), (3236, 24896), (6224, 12944), (6472, 12448)]