51514240

素因数分解:

$2^7\times 5^1\times {\mathrm{80491}}^1$

素因数の和:80510

約数の個数: 32

約数和(自身を含む): 123152760

約数和(自身を除く): 71638520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80491, 160982, 321964, 402455, 643928, 804910, 1287856, 1609820, 2575712, 3219640, 5151424, 6439280, 10302848, 12878560, 25757120, 51514240]

約数ペア:

[(1, 51514240), (2, 25757120), (4, 12878560), (5, 10302848), (8, 6439280), (10, 5151424), (16, 3219640), (20, 2575712), (32, 1609820), (40, 1287856), (64, 804910), (80, 643928), (128, 402455), (160, 321964), (320, 160982), (640, 80491)]