171648140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{209327}}^1$

素因数の和:209377

約数の個数: 24

約数和(自身を含む): 369254592

約数和(自身を除く): 197606452

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 209327, 418654, 837308, 1046635, 2093270, 4186540, 8582407, 17164814, 34329628, 42912035, 85824070, 171648140]

約数ペア:

[(1, 171648140), (2, 85824070), (4, 42912035), (5, 34329628), (10, 17164814), (20, 8582407), (41, 4186540), (82, 2093270), (164, 1046635), (205, 837308), (410, 418654), (820, 209327)]