61626440

素因数分解:

$2^3\times 5^1\times {\mathrm{1540661}}^1$

素因数の和:1540672

約数の個数: 16

約数和(自身を含む): 138659580

約数和(自身を除く): 77033140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1540661, 3081322, 6162644, 7703305, 12325288, 15406610, 30813220, 61626440]

約数ペア:

[(1, 61626440), (2, 30813220), (4, 15406610), (5, 12325288), (8, 7703305), (10, 6162644), (20, 3081322), (40, 1540661)]