66706240

素因数分解:

$2^6\times 5^1\times {\mathrm{208457}}^1$

素因数の和:208474

約数の個数: 28

約数和(自身を含む): 158844996

約数和(自身を除く): 92138756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 208457, 416914, 833828, 1042285, 1667656, 2084570, 3335312, 4169140, 6670624, 8338280, 13341248, 16676560, 33353120, 66706240]

約数ペア:

[(1, 66706240), (2, 33353120), (4, 16676560), (5, 13341248), (8, 8338280), (10, 6670624), (16, 4169140), (20, 3335312), (32, 2084570), (40, 1667656), (64, 1042285), (80, 833828), (160, 416914), (320, 208457)]