80970956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{25919}}^1$

素因数の和:26005

約数の個数: 24

約数和(自身を含む): 156764160

約数和(自身を除く): 75793204

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 25919, 51838, 103676, 285109, 570218, 1140436, 1840249, 3680498, 7360996, 20242739, 40485478, 80970956]

約数ペア:

[(1, 80970956), (2, 40485478), (4, 20242739), (11, 7360996), (22, 3680498), (44, 1840249), (71, 1140436), (142, 570218), (284, 285109), (781, 103676), (1562, 51838), (3124, 25919)]