8904320

素因数分解:

$2^7\times 5^1\times {\mathrm{13913}}^1$

素因数の和:13932

約数の個数: 32

約数和(自身を含む): 21288420

約数和(自身を除く): 12384100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13913, 27826, 55652, 69565, 111304, 139130, 222608, 278260, 445216, 556520, 890432, 1113040, 1780864, 2226080, 4452160, 8904320]

約数ペア:

[(1, 8904320), (2, 4452160), (4, 2226080), (5, 1780864), (8, 1113040), (10, 890432), (16, 556520), (20, 445216), (32, 278260), (40, 222608), (64, 139130), (80, 111304), (128, 69565), (160, 55652), (320, 27826), (640, 13913)]