51086720

素因数分解:

$2^7\times 5^1\times {\mathrm{79823}}^1$

素因数の和:79842

約数の個数: 32

約数和(自身を含む): 122130720

約数和(自身を除く): 71044000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 79823, 159646, 319292, 399115, 638584, 798230, 1277168, 1596460, 2554336, 3192920, 5108672, 6385840, 10217344, 12771680, 25543360, 51086720]

約数ペア:

[(1, 51086720), (2, 25543360), (4, 12771680), (5, 10217344), (8, 6385840), (10, 5108672), (16, 3192920), (20, 2554336), (32, 1596460), (40, 1277168), (64, 798230), (80, 638584), (128, 399115), (160, 319292), (320, 159646), (640, 79823)]