25217240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21739}}^1$

素因数の和:21779

約数の個数: 32

約数和(自身を含む): 58698000

約数和(自身を除く): 33480760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 21739, 43478, 86956, 108695, 173912, 217390, 434780, 630431, 869560, 1260862, 2521724, 3152155, 5043448, 6304310, 12608620, 25217240]

約数ペア:

[(1, 25217240), (2, 12608620), (4, 6304310), (5, 5043448), (8, 3152155), (10, 2521724), (20, 1260862), (29, 869560), (40, 630431), (58, 434780), (116, 217390), (145, 173912), (232, 108695), (290, 86956), (580, 43478), (1160, 21739)]