205651280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{111767}}^1$

素因数の和:111803

約数の個数: 40

約数和(自身を含む): 498932352

約数和(自身を除く): 293281072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 111767, 223534, 447068, 558835, 894136, 1117670, 1788272, 2235340, 2570641, 4470680, 5141282, 8941360, 10282564, 12853205, 20565128, 25706410, 41130256, 51412820, 102825640, 205651280]

約数ペア:

[(1, 205651280), (2, 102825640), (4, 51412820), (5, 41130256), (8, 25706410), (10, 20565128), (16, 12853205), (20, 10282564), (23, 8941360), (40, 5141282), (46, 4470680), (80, 2570641), (92, 2235340), (115, 1788272), (184, 1117670), (230, 894136), (368, 558835), (460, 447068), (920, 223534), (1840, 111767)]