2646520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 6019200

約数和(自身を除く): 3372680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 607, 872, 1090, 1214, 2180, 2428, 3035, 4360, 4856, 6070, 12140, 24280, 66163, 132326, 264652, 330815, 529304, 661630, 1323260, 2646520]

約数ペア:

[(1, 2646520), (2, 1323260), (4, 661630), (5, 529304), (8, 330815), (10, 264652), (20, 132326), (40, 66163), (109, 24280), (218, 12140), (436, 6070), (545, 4856), (607, 4360), (872, 3035), (1090, 2428), (1214, 2180)]