25129225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 36961920

約数和(自身を除く): 11832695

約数列:

[1, 5, 11, 23, 25, 29, 55, 115, 137, 145, 253, 275, 319, 575, 667, 685, 725, 1265, 1507, 1595, 3151, 3335, 3425, 3973, 6325, 7337, 7535, 7975, 15755, 16675, 19865, 34661, 36685, 37675, 43703, 78775, 91379, 99325, 173305, 183425, 218515, 456895, 866525, 1005169, 1092575, 2284475, 5025845, 25129225]

約数ペア:

[(1, 25129225), (5, 5025845), (11, 2284475), (23, 1092575), (25, 1005169), (29, 866525), (55, 456895), (115, 218515), (137, 183425), (145, 173305), (253, 99325), (275, 91379), (319, 78775), (575, 43703), (667, 37675), (685, 36685), (725, 34661), (1265, 19865), (1507, 16675), (1595, 15755), (3151, 7975), (3335, 7535), (3425, 7337), (3973, 6325)]