20162906800

素因数分解:

$2^4\times 5^2\times {\mathrm{211}}^1\times {\mathrm{238897}}^1$

素因数の和:239126

約数の個数: 60

約数和(自身を含む): 48671167336

約数和(自身を除く): 28508260536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 211, 400, 422, 844, 1055, 1688, 2110, 3376, 4220, 5275, 8440, 10550, 16880, 21100, 42200, 84400, 238897, 477794, 955588, 1194485, 1911176, 2388970, 3822352, 4777940, 5972425, 9555880, 11944850, 19111760, 23889700, 47779400, 50407267, 95558800, 100814534, 201629068, 252036335, 403258136, 504072670, 806516272, 1008145340, 1260181675, 2016290680, 2520363350, 4032581360, 5040726700, 10081453400, 20162906800]

約数ペア:

[(1, 20162906800), (2, 10081453400), (4, 5040726700), (5, 4032581360), (8, 2520363350), (10, 2016290680), (16, 1260181675), (20, 1008145340), (25, 806516272), (40, 504072670), (50, 403258136), (80, 252036335), (100, 201629068), (200, 100814534), (211, 95558800), (400, 50407267), (422, 47779400), (844, 23889700), (1055, 19111760), (1688, 11944850), (2110, 9555880), (3376, 5972425), (4220, 4777940), (5275, 3822352), (8440, 2388970), (10550, 1911176), (16880, 1194485), (21100, 955588), (42200, 477794), (84400, 238897)]