51418240

素因数分解:

$2^7\times 5^1\times {\mathrm{80341}}^1$

素因数の和:80360

約数の個数: 32

約数和(自身を含む): 122923260

約数和(自身を除く): 71505020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80341, 160682, 321364, 401705, 642728, 803410, 1285456, 1606820, 2570912, 3213640, 5141824, 6427280, 10283648, 12854560, 25709120, 51418240]

約数ペア:

[(1, 51418240), (2, 25709120), (4, 12854560), (5, 10283648), (8, 6427280), (10, 5141824), (16, 3213640), (20, 2570912), (32, 1606820), (40, 1285456), (64, 803410), (80, 642728), (128, 401705), (160, 321364), (320, 160682), (640, 80341)]