12910490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31489}}^1$

素因数の和:31537

約数の個数: 16

約数和(自身を含む): 23806440

約数和(自身を除く): 10895950

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 31489, 62978, 157445, 314890, 1291049, 2582098, 6455245, 12910490]

約数ペア:

[(1, 12910490), (2, 6455245), (5, 2582098), (10, 1291049), (41, 314890), (82, 157445), (205, 62978), (410, 31489)]