66210880

素因数分解:

$2^6\times 5^1\times {\mathrm{206909}}^1$

素因数の和:206926

約数の個数: 28

約数和(自身を含む): 157665420

約数和(自身を除く): 91454540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 206909, 413818, 827636, 1034545, 1655272, 2069090, 3310544, 4138180, 6621088, 8276360, 13242176, 16552720, 33105440, 66210880]

約数ペア:

[(1, 66210880), (2, 33105440), (4, 16552720), (5, 13242176), (8, 8276360), (10, 6621088), (16, 4138180), (20, 3310544), (32, 2069090), (40, 1655272), (64, 1034545), (80, 827636), (160, 413818), (320, 206909)]