82661720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43969}}^1$

素因数の和:44027

約数の個数: 32

約数和(自身を含む): 189950400

約数和(自身を除く): 107288680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 43969, 87938, 175876, 219845, 351752, 439690, 879380, 1758760, 2066543, 4133086, 8266172, 10332715, 16532344, 20665430, 41330860, 82661720]

約数ペア:

[(1, 82661720), (2, 41330860), (4, 20665430), (5, 16532344), (8, 10332715), (10, 8266172), (20, 4133086), (40, 2066543), (47, 1758760), (94, 879380), (188, 439690), (235, 351752), (376, 219845), (470, 175876), (940, 87938), (1880, 43969)]