66076880

素因数分解:

$2^4\times 5^1\times {\mathrm{825961}}^1$

素因数の和:825974

約数の個数: 20

約数和(自身を含む): 153628932

約数和(自身を除く): 87552052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 825961, 1651922, 3303844, 4129805, 6607688, 8259610, 13215376, 16519220, 33038440, 66076880]

約数ペア:

[(1, 66076880), (2, 33038440), (4, 16519220), (5, 13215376), (8, 8259610), (10, 6607688), (16, 4129805), (20, 3303844), (40, 1651922), (80, 825961)]