27195980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{27751}}^1$

素因数の和:27774

約数の個数: 36

約数和(自身を含む): 66438288

約数和(自身を除く): 39242308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 27751, 55502, 111004, 138755, 194257, 277510, 388514, 555020, 777028, 971285, 1359799, 1942570, 2719598, 3885140, 5439196, 6798995, 13597990, 27195980]

約数ペア:

[(1, 27195980), (2, 13597990), (4, 6798995), (5, 5439196), (7, 3885140), (10, 2719598), (14, 1942570), (20, 1359799), (28, 971285), (35, 777028), (49, 555020), (70, 388514), (98, 277510), (140, 194257), (196, 138755), (245, 111004), (490, 55502), (980, 27751)]