12689950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2821

約数の個数: 48

約数和(自身を含む): 29060640

約数和(自身を除く): 16370690

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 2789, 4550, 5578, 13945, 19523, 27890, 36257, 39046, 69725, 72514, 97615, 139450, 181285, 195230, 253799, 362570, 488075, 507598, 906425, 976150, 1268995, 1812850, 2537990, 6344975, 12689950]

約数ペア:

[(1, 12689950), (2, 6344975), (5, 2537990), (7, 1812850), (10, 1268995), (13, 976150), (14, 906425), (25, 507598), (26, 488075), (35, 362570), (50, 253799), (65, 195230), (70, 181285), (91, 139450), (130, 97615), (175, 72514), (182, 69725), (325, 39046), (350, 36257), (455, 27890), (650, 19523), (910, 13945), (2275, 5578), (2789, 4550)]