90520645

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1\times {\mathrm{661}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 110818800

約数和(自身を除く): 20298155

約数列:

[1, 5, 61, 305, 449, 661, 2245, 3305, 27389, 40321, 136945, 201605, 296789, 1483945, 18104129, 90520645]

約数ペア:

[(1, 90520645), (5, 18104129), (61, 1483945), (305, 296789), (449, 201605), (661, 136945), (2245, 40321), (3305, 27389)]