66546560

素因数分解:

$2^7\times 5^1\times {\mathrm{103979}}^1$

素因数の和:103998

約数の個数: 32

約数和(自身を含む): 159089400

約数和(自身を除く): 92542840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 103979, 207958, 415916, 519895, 831832, 1039790, 1663664, 2079580, 3327328, 4159160, 6654656, 8318320, 13309312, 16636640, 33273280, 66546560]

約数ペア:

[(1, 66546560), (2, 33273280), (4, 16636640), (5, 13309312), (8, 8318320), (10, 6654656), (16, 4159160), (20, 3327328), (32, 2079580), (40, 1663664), (64, 1039790), (80, 831832), (128, 519895), (160, 415916), (320, 207958), (640, 103979)]