39811984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{60689}}^1$

素因数の和:60738

約数の個数: 20

約数和(自身を含む): 79018380

約数和(自身を除く): 39206396

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 60689, 121378, 242756, 485512, 971024, 2488249, 4976498, 9952996, 19905992, 39811984]

約数ペア:

[(1, 39811984), (2, 19905992), (4, 9952996), (8, 4976498), (16, 2488249), (41, 971024), (82, 485512), (164, 242756), (328, 121378), (656, 60689)]