77946560

素因数分解:

$2^6\times 5^1\times {\mathrm{243583}}^1$

素因数の和:243600

約数の個数: 28

約数和(自身を含む): 185611008

約数和(自身を除く): 107664448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243583, 487166, 974332, 1217915, 1948664, 2435830, 3897328, 4871660, 7794656, 9743320, 15589312, 19486640, 38973280, 77946560]

約数ペア:

[(1, 77946560), (2, 38973280), (4, 19486640), (5, 15589312), (8, 9743320), (10, 7794656), (16, 4871660), (20, 3897328), (32, 2435830), (40, 1948664), (64, 1217915), (80, 974332), (160, 487166), (320, 243583)]