40281728

素因数分解:

$2^7\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 80554500

約数和(自身を除く): 40272772

約数列:

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

約数ペア:

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