81690352

素因数分解:

$2^4\times {\mathrm{2003}}^1\times {\mathrm{2549}}^1$

素因数の和:4560

約数の個数: 20

約数和(自身を含む): 158416200

約数和(自身を除く): 76725848

約数列:

[1, 2, 4, 8, 16, 2003, 2549, 4006, 5098, 8012, 10196, 16024, 20392, 32048, 40784, 5105647, 10211294, 20422588, 40845176, 81690352]

約数ペア:

[(1, 81690352), (2, 40845176), (4, 20422588), (8, 10211294), (16, 5105647), (2003, 40784), (2549, 32048), (4006, 20392), (5098, 16024), (8012, 10196)]