27888610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 51819264

約数和(自身を除く): 23930654

約数列:

[1, 2, 5, 10, 41, 82, 205, 251, 271, 410, 502, 542, 1255, 1355, 2510, 2710, 10291, 11111, 20582, 22222, 51455, 55555, 68021, 102910, 111110, 136042, 340105, 680210, 2788861, 5577722, 13944305, 27888610]

約数ペア:

[(1, 27888610), (2, 13944305), (5, 5577722), (10, 2788861), (41, 680210), (82, 340105), (205, 136042), (251, 111110), (271, 102910), (410, 68021), (502, 55555), (542, 51455), (1255, 22222), (1355, 20582), (2510, 11111), (2710, 10291)]