15668620040

素因数分解:

$2^3\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{155381}}^1$

素因数の和:157913

約数の個数: 32

約数和(自身を含む): 35268606360

約数和(自身を除く): 19599986320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2521, 5042, 10084, 12605, 20168, 25210, 50420, 100840, 155381, 310762, 621524, 776905, 1243048, 1553810, 3107620, 6215240, 391715501, 783431002, 1566862004, 1958577505, 3133724008, 3917155010, 7834310020, 15668620040]

約数ペア:

[(1, 15668620040), (2, 7834310020), (4, 3917155010), (5, 3133724008), (8, 1958577505), (10, 1566862004), (20, 783431002), (40, 391715501), (2521, 6215240), (5042, 3107620), (10084, 1553810), (12605, 1243048), (20168, 776905), (25210, 621524), (50420, 310762), (100840, 155381)]