31980680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17011}}^1$

素因数の和:17069

約数の個数: 32

約数和(自身を含む): 73491840

約数和(自身を除く): 41511160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 17011, 34022, 68044, 85055, 136088, 170110, 340220, 680440, 799517, 1599034, 3198068, 3997585, 6396136, 7995170, 15990340, 31980680]

約数ペア:

[(1, 31980680), (2, 15990340), (4, 7995170), (5, 6396136), (8, 3997585), (10, 3198068), (20, 1599034), (40, 799517), (47, 680440), (94, 340220), (188, 170110), (235, 136088), (376, 85055), (470, 68044), (940, 34022), (1880, 17011)]