201801680

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{8111}}^1$

素因数の和:8435

約数の個数: 40

約数和(自身を含む): 470755584

約数和(自身を除く): 268953904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 8111, 12440, 16222, 24880, 32444, 40555, 64888, 81110, 129776, 162220, 324440, 648880, 2522521, 5045042, 10090084, 12612605, 20180168, 25225210, 40360336, 50450420, 100900840, 201801680]

約数ペア:

[(1, 201801680), (2, 100900840), (4, 50450420), (5, 40360336), (8, 25225210), (10, 20180168), (16, 12612605), (20, 10090084), (40, 5045042), (80, 2522521), (311, 648880), (622, 324440), (1244, 162220), (1555, 129776), (2488, 81110), (3110, 64888), (4976, 40555), (6220, 32444), (8111, 24880), (12440, 16222)]