66826880

素因数分解:

$2^7\times 5^1\times {\mathrm{104417}}^1$

素因数の和:104436

約数の個数: 32

約数和(自身を含む): 159759540

約数和(自身を除く): 92932660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 104417, 208834, 417668, 522085, 835336, 1044170, 1670672, 2088340, 3341344, 4176680, 6682688, 8353360, 13365376, 16706720, 33413440, 66826880]

約数ペア:

[(1, 66826880), (2, 33413440), (4, 16706720), (5, 13365376), (8, 8353360), (10, 6682688), (16, 4176680), (20, 3341344), (32, 2088340), (40, 1670672), (64, 1044170), (80, 835336), (128, 522085), (160, 417668), (320, 208834), (640, 104417)]