64498240

素因数分解:

$2^6\times 5^1\times {\mathrm{201557}}^1$

素因数の和:201574

約数の個数: 28

約数和(自身を含む): 153587196

約数和(自身を除く): 89088956

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 201557, 403114, 806228, 1007785, 1612456, 2015570, 3224912, 4031140, 6449824, 8062280, 12899648, 16124560, 32249120, 64498240]

約数ペア:

[(1, 64498240), (2, 32249120), (4, 16124560), (5, 12899648), (8, 8062280), (10, 6449824), (16, 4031140), (20, 3224912), (32, 2015570), (40, 1612456), (64, 1007785), (80, 806228), (160, 403114), (320, 201557)]