208036240

素因数分解:

$2^4\times 5^1\times {\mathrm{2600453}}^1$

素因数の和:2600466

約数の個数: 20

約数和(自身を含む): 483684444

約数和(自身を除く): 275648204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600453, 5200906, 10401812, 13002265, 20803624, 26004530, 41607248, 52009060, 104018120, 208036240]

約数ペア:

[(1, 208036240), (2, 104018120), (4, 52009060), (5, 41607248), (8, 26004530), (10, 20803624), (16, 13002265), (20, 10401812), (40, 5200906), (80, 2600453)]