51186560

素因数分解:

$2^7\times 5^1\times {\mathrm{79979}}^1$

素因数の和:79998

約数の個数: 32

約数和(自身を含む): 122369400

約数和(自身を除く): 71182840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 79979, 159958, 319916, 399895, 639832, 799790, 1279664, 1599580, 2559328, 3199160, 5118656, 6398320, 10237312, 12796640, 25593280, 51186560]

約数ペア:

[(1, 51186560), (2, 25593280), (4, 12796640), (5, 10237312), (8, 6398320), (10, 5118656), (16, 3199160), (20, 2559328), (32, 1599580), (40, 1279664), (64, 799790), (80, 639832), (128, 399895), (160, 319916), (320, 159958), (640, 79979)]