71610020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{25759}}^1$

素因数の和:25907

約数の個数: 24

約数和(自身を含む): 151468800

約数和(自身を除く): 79858780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 25759, 51518, 103036, 128795, 257590, 515180, 3580501, 7161002, 14322004, 17902505, 35805010, 71610020]

約数ペア:

[(1, 71610020), (2, 35805010), (4, 17902505), (5, 14322004), (10, 7161002), (20, 3580501), (139, 515180), (278, 257590), (556, 128795), (695, 103036), (1390, 51518), (2780, 25759)]