66562880

素因数分解:

$2^6\times 5^1\times {\mathrm{208009}}^1$

素因数の和:208026

約数の個数: 28

約数和(自身を含む): 158503620

約数和(自身を除く): 91940740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 208009, 416018, 832036, 1040045, 1664072, 2080090, 3328144, 4160180, 6656288, 8320360, 13312576, 16640720, 33281440, 66562880]

約数ペア:

[(1, 66562880), (2, 33281440), (4, 16640720), (5, 13312576), (8, 8320360), (10, 6656288), (16, 4160180), (20, 3328144), (32, 2080090), (40, 1664072), (64, 1040045), (80, 832036), (160, 416018), (320, 208009)]