71154140

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{2909}}^1$

素因数の和:4141

約数の個数: 24

約数和(自身を含む): 149597280

約数和(自身を除く): 78443140

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 2909, 4892, 5818, 6115, 11636, 12230, 14545, 24460, 29090, 58180, 3557707, 7115414, 14230828, 17788535, 35577070, 71154140]

約数ペア:

[(1, 71154140), (2, 35577070), (4, 17788535), (5, 14230828), (10, 7115414), (20, 3557707), (1223, 58180), (2446, 29090), (2909, 24460), (4892, 14545), (5818, 12230), (6115, 11636)]