129620770

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{82561}}^1$

素因数の和:82725

約数の個数: 16

約数和(自身を含む): 234806328

約数和(自身を除く): 105185558

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 82561, 165122, 412805, 825610, 12962077, 25924154, 64810385, 129620770]

約数ペア:

[(1, 129620770), (2, 64810385), (5, 25924154), (10, 12962077), (157, 825610), (314, 412805), (785, 165122), (1570, 82561)]