688960

素因数分解:

$2^6\times 5^1\times {\mathrm{2153}}^1$

素因数の和:2170

約数の個数: 28

約数和(自身を含む): 1641348

約数和(自身を除く): 952388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2153, 4306, 8612, 10765, 17224, 21530, 34448, 43060, 68896, 86120, 137792, 172240, 344480, 688960]

約数ペア:

[(1, 688960), (2, 344480), (4, 172240), (5, 137792), (8, 86120), (10, 68896), (16, 43060), (20, 34448), (32, 21530), (40, 17224), (64, 10765), (80, 8612), (160, 4306), (320, 2153)]