25655500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3979

約数の個数: 48

約数和(自身を含む): 60357024

約数和(自身を除く): 34701524

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 3947, 6500, 7894, 15788, 19735, 39470, 51311, 78940, 98675, 102622, 197350, 205244, 256555, 394700, 493375, 513110, 986750, 1026220, 1282775, 1973500, 2565550, 5131100, 6413875, 12827750, 25655500]

約数ペア:

[(1, 25655500), (2, 12827750), (4, 6413875), (5, 5131100), (10, 2565550), (13, 1973500), (20, 1282775), (25, 1026220), (26, 986750), (50, 513110), (52, 493375), (65, 394700), (100, 256555), (125, 205244), (130, 197350), (250, 102622), (260, 98675), (325, 78940), (500, 51311), (650, 39470), (1300, 19735), (1625, 15788), (3250, 7894), (3947, 6500)]