5431640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 12292560

約数和(自身を除く): 6860920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 541, 1004, 1082, 1255, 2008, 2164, 2510, 2705, 4328, 5020, 5410, 10040, 10820, 21640, 135791, 271582, 543164, 678955, 1086328, 1357910, 2715820, 5431640]

約数ペア:

[(1, 5431640), (2, 2715820), (4, 1357910), (5, 1086328), (8, 678955), (10, 543164), (20, 271582), (40, 135791), (251, 21640), (502, 10820), (541, 10040), (1004, 5410), (1082, 5020), (1255, 4328), (2008, 2705), (2164, 2510)]