64575205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 85276800

約数和(自身を除く): 20701595

約数列:

[1, 5, 19, 41, 59, 95, 205, 281, 295, 779, 1121, 1405, 2419, 3895, 5339, 5605, 11521, 12095, 16579, 26695, 45961, 57605, 82895, 218899, 229805, 315001, 679739, 1094495, 1575005, 3398695, 12915041, 64575205]

約数ペア:

[(1, 64575205), (5, 12915041), (19, 3398695), (41, 1575005), (59, 1094495), (95, 679739), (205, 315001), (281, 229805), (295, 218899), (779, 82895), (1121, 57605), (1405, 45961), (2419, 26695), (3895, 16579), (5339, 12095), (5605, 11521)]