31350695120

素因数分解:

$2^4\times 5^1\times {\mathrm{391883689}}^1$

素因数の和:391883702

約数の個数: 20

約数和(自身を含む): 72890366340

約数和(自身を除く): 41539671220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 391883689, 783767378, 1567534756, 1959418445, 3135069512, 3918836890, 6270139024, 7837673780, 15675347560, 31350695120]

約数ペア:

[(1, 31350695120), (2, 15675347560), (4, 7837673780), (5, 6270139024), (8, 3918836890), (10, 3135069512), (16, 1959418445), (20, 1567534756), (40, 783767378), (80, 391883689)]