64788250

素因数分解:

$2^1\times 5^3\times {\mathrm{337}}^1\times {\mathrm{769}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 121801680

約数和(自身を除く): 57013430

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 337, 674, 769, 1538, 1685, 3370, 3845, 7690, 8425, 16850, 19225, 38450, 42125, 84250, 96125, 192250, 259153, 518306, 1295765, 2591530, 6478825, 12957650, 32394125, 64788250]

約数ペア:

[(1, 64788250), (2, 32394125), (5, 12957650), (10, 6478825), (25, 2591530), (50, 1295765), (125, 518306), (250, 259153), (337, 192250), (674, 96125), (769, 84250), (1538, 42125), (1685, 38450), (3370, 19225), (3845, 16850), (7690, 8425)]