87661925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 123742080

約数和(自身を除く): 36080155

約数列:

[1, 5, 13, 25, 29, 65, 71, 131, 145, 325, 355, 377, 655, 725, 923, 1703, 1775, 1885, 2059, 3275, 3799, 4615, 8515, 9301, 9425, 10295, 18995, 23075, 26767, 42575, 46505, 49387, 51475, 94975, 120913, 133835, 232525, 246935, 269729, 604565, 669175, 1234675, 1348645, 3022825, 3506477, 6743225, 17532385, 87661925]

約数ペア:

[(1, 87661925), (5, 17532385), (13, 6743225), (25, 3506477), (29, 3022825), (65, 1348645), (71, 1234675), (131, 669175), (145, 604565), (325, 269729), (355, 246935), (377, 232525), (655, 133835), (725, 120913), (923, 94975), (1703, 51475), (1775, 49387), (1885, 46505), (2059, 42575), (3275, 26767), (3799, 23075), (4615, 18995), (8515, 10295), (9301, 9425)]