40048640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{3911}}^1$

素因数の和:3938

約数の個数: 48

約数和(自身を含む): 96117840

約数和(自身を除く): 56069200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 3911, 5120, 7822, 10240, 15644, 19555, 31288, 39110, 62576, 78220, 125152, 156440, 250304, 312880, 500608, 625760, 1001216, 1251520, 2002432, 2503040, 4004864, 5006080, 8009728, 10012160, 20024320, 40048640]

約数ペア:

[(1, 40048640), (2, 20024320), (4, 10012160), (5, 8009728), (8, 5006080), (10, 4004864), (16, 2503040), (20, 2002432), (32, 1251520), (40, 1001216), (64, 625760), (80, 500608), (128, 312880), (160, 250304), (256, 156440), (320, 125152), (512, 78220), (640, 62576), (1024, 39110), (1280, 31288), (2048, 19555), (2560, 15644), (3911, 10240), (5120, 7822)]