25905664

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2663}}^1$

素因数の和:2700

約数の個数: 40

約数和(自身を含む): 54505440

約数和(自身を除く): 28599776

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 2663, 4864, 5326, 9728, 10652, 21304, 42608, 50597, 85216, 101194, 170432, 202388, 340864, 404776, 681728, 809552, 1363456, 1619104, 3238208, 6476416, 12952832, 25905664]

約数ペア:

[(1, 25905664), (2, 12952832), (4, 6476416), (8, 3238208), (16, 1619104), (19, 1363456), (32, 809552), (38, 681728), (64, 404776), (76, 340864), (128, 202388), (152, 170432), (256, 101194), (304, 85216), (512, 50597), (608, 42608), (1216, 21304), (2432, 10652), (2663, 9728), (4864, 5326)]