25540456

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 49104000

約数和(自身を除く): 23563544

約数列:

[1, 2, 4, 8, 61, 122, 199, 244, 263, 398, 488, 526, 796, 1052, 1592, 2104, 12139, 16043, 24278, 32086, 48556, 52337, 64172, 97112, 104674, 128344, 209348, 418696, 3192557, 6385114, 12770228, 25540456]

約数ペア:

[(1, 25540456), (2, 12770228), (4, 6385114), (8, 3192557), (61, 418696), (122, 209348), (199, 128344), (244, 104674), (263, 97112), (398, 64172), (488, 52337), (526, 48556), (796, 32086), (1052, 24278), (1592, 16043), (2104, 12139)]