57721280

素因数分解:

$2^6\times 5^1\times {\mathrm{180379}}^1$

素因数の和:180396

約数の個数: 28

約数和(自身を含む): 137449560

約数和(自身を除く): 79728280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 180379, 360758, 721516, 901895, 1443032, 1803790, 2886064, 3607580, 5772128, 7215160, 11544256, 14430320, 28860640, 57721280]

約数ペア:

[(1, 57721280), (2, 28860640), (4, 14430320), (5, 11544256), (8, 7215160), (10, 5772128), (16, 3607580), (20, 2886064), (32, 1803790), (40, 1443032), (64, 901895), (80, 721516), (160, 360758), (320, 180379)]