40417280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{3947}}^1$

素因数の和:3974

約数の個数: 48

約数和(自身を含む): 97002360

約数和(自身を除く): 56585080

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, 3947, 5120, 7894, 10240, 15788, 19735, 31576, 39470, 63152, 78940, 126304, 157880, 252608, 315760, 505216, 631520, 1010432, 1263040, 2020864, 2526080, 4041728, 5052160, 8083456, 10104320, 20208640, 40417280]

約数ペア:

[(1, 40417280), (2, 20208640), (4, 10104320), (5, 8083456), (8, 5052160), (10, 4041728), (16, 2526080), (20, 2020864), (32, 1263040), (40, 1010432), (64, 631520), (80, 505216), (128, 315760), (160, 252608), (256, 157880), (320, 126304), (512, 78940), (640, 63152), (1024, 39470), (1280, 31576), (2048, 19735), (2560, 15788), (3947, 10240), (5120, 7894)]