25354576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 53607680

約数和(自身を除く): 28253104

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 1543, 2054, 3086, 4108, 6172, 8216, 12344, 16432, 20059, 24688, 40118, 80236, 121897, 160472, 243794, 320944, 487588, 975176, 1584661, 1950352, 3169322, 6338644, 12677288, 25354576]

約数ペア:

[(1, 25354576), (2, 12677288), (4, 6338644), (8, 3169322), (13, 1950352), (16, 1584661), (26, 975176), (52, 487588), (79, 320944), (104, 243794), (158, 160472), (208, 121897), (316, 80236), (632, 40118), (1027, 24688), (1264, 20059), (1543, 16432), (2054, 12344), (3086, 8216), (4108, 6172)]