67680640

素因数分解:

$2^7\times 5^1\times {\mathrm{105751}}^1$

素因数の和:105770

約数の個数: 32

約数和(自身を含む): 161800560

約数和(自身を除く): 94119920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 105751, 211502, 423004, 528755, 846008, 1057510, 1692016, 2115020, 3384032, 4230040, 6768064, 8460080, 13536128, 16920160, 33840320, 67680640]

約数ペア:

[(1, 67680640), (2, 33840320), (4, 16920160), (5, 13536128), (8, 8460080), (10, 6768064), (16, 4230040), (20, 3384032), (32, 2115020), (40, 1692016), (64, 1057510), (80, 846008), (128, 528755), (160, 423004), (320, 211502), (640, 105751)]