66995840

素因数分解:

$2^7\times 5^1\times {\mathrm{104681}}^1$

素因数の和:104700

約数の個数: 32

約数和(自身を含む): 160163460

約数和(自身を除く): 93167620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 104681, 209362, 418724, 523405, 837448, 1046810, 1674896, 2093620, 3349792, 4187240, 6699584, 8374480, 13399168, 16748960, 33497920, 66995840]

約数ペア:

[(1, 66995840), (2, 33497920), (4, 16748960), (5, 13399168), (8, 8374480), (10, 6699584), (16, 4187240), (20, 3349792), (32, 2093620), (40, 1674896), (64, 1046810), (80, 837448), (128, 523405), (160, 418724), (320, 209362), (640, 104681)]