66948880

素因数分解:

$2^4\times 5^1\times {\mathrm{836861}}^1$

素因数の和:836874

約数の個数: 20

約数和(自身を含む): 155656332

約数和(自身を除く): 88707452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 836861, 1673722, 3347444, 4184305, 6694888, 8368610, 13389776, 16737220, 33474440, 66948880]

約数ペア:

[(1, 66948880), (2, 33474440), (4, 16737220), (5, 13389776), (8, 8368610), (10, 6694888), (16, 4184305), (20, 3347444), (40, 1673722), (80, 836861)]