5131100

素因数分解:

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

素因数の和:3974

約数の個数: 36

約数和(自身を含む): 11994024

約数和(自身を除く): 6862924

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 3947, 7894, 15788, 19735, 39470, 51311, 78940, 98675, 102622, 197350, 205244, 256555, 394700, 513110, 1026220, 1282775, 2565550, 5131100]

約数ペア:

[(1, 5131100), (2, 2565550), (4, 1282775), (5, 1026220), (10, 513110), (13, 394700), (20, 256555), (25, 205244), (26, 197350), (50, 102622), (52, 98675), (65, 78940), (100, 51311), (130, 39470), (260, 19735), (325, 15788), (650, 7894), (1300, 3947)]