129688760

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{3911}}^1$

素因数の和:4751

約数の個数: 32

約数和(自身を含む): 292226400

約数和(自身を除く): 162537640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 3316, 3911, 4145, 6632, 7822, 8290, 15644, 16580, 19555, 31288, 33160, 39110, 78220, 156440, 3242219, 6484438, 12968876, 16211095, 25937752, 32422190, 64844380, 129688760]

約数ペア:

[(1, 129688760), (2, 64844380), (4, 32422190), (5, 25937752), (8, 16211095), (10, 12968876), (20, 6484438), (40, 3242219), (829, 156440), (1658, 78220), (3316, 39110), (3911, 33160), (4145, 31288), (6632, 19555), (7822, 16580), (8290, 15644)]