81440864

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{24709}}^1$

素因数の和:24822

約数の個数: 24

約数和(自身を含む): 161899920

約数和(自身を除く): 80459056

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 24709, 49418, 98836, 197672, 395344, 790688, 2545027, 5090054, 10180108, 20360216, 40720432, 81440864]

約数ペア:

[(1, 81440864), (2, 40720432), (4, 20360216), (8, 10180108), (16, 5090054), (32, 2545027), (103, 790688), (206, 395344), (412, 197672), (824, 98836), (1648, 49418), (3296, 24709)]