25448885

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 16023115

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 71, 77, 95, 133, 209, 245, 343, 355, 385, 497, 539, 665, 781, 931, 1045, 1349, 1463, 1715, 2485, 2695, 3479, 3773, 3905, 4655, 5467, 6517, 6745, 7315, 9443, 10241, 14839, 17395, 18865, 24353, 27335, 32585, 38269, 47215, 51205, 66101, 71687, 74195, 103873, 121765, 191345, 267883, 330505, 358435, 462707, 519365, 727111, 1339415, 2313535, 3635555, 5089777, 25448885]

約数ペア:

[(1, 25448885), (5, 5089777), (7, 3635555), (11, 2313535), (19, 1339415), (35, 727111), (49, 519365), (55, 462707), (71, 358435), (77, 330505), (95, 267883), (133, 191345), (209, 121765), (245, 103873), (343, 74195), (355, 71687), (385, 66101), (497, 51205), (539, 47215), (665, 38269), (781, 32585), (931, 27335), (1045, 24353), (1349, 18865), (1463, 17395), (1715, 14839), (2485, 10241), (2695, 9443), (3479, 7315), (3773, 6745), (3905, 6517), (4655, 5467)]