20161105808240

素因数分解:

$2^4\times 5^1\times {\mathrm{2041937}}^1\times {\mathrm{123419}}^1$

素因数の和:2165369

約数の個数: 40

約数和(自身を含む): 46874973760560

約数和(自身を除く): 26713867952320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123419, 246838, 493676, 617095, 987352, 1234190, 1974704, 2041937, 2468380, 4083874, 4936760, 8167748, 9873520, 10209685, 16335496, 20419370, 32670992, 40838740, 81677480, 163354960, 252013822603, 504027645206, 1008055290412, 1260069113015, 2016110580824, 2520138226030, 4032221161648, 5040276452060, 10080552904120, 20161105808240]

約数ペア:

[(1, 20161105808240), (2, 10080552904120), (4, 5040276452060), (5, 4032221161648), (8, 2520138226030), (10, 2016110580824), (16, 1260069113015), (20, 1008055290412), (40, 504027645206), (80, 252013822603), (123419, 163354960), (246838, 81677480), (493676, 40838740), (617095, 32670992), (987352, 20419370), (1234190, 16335496), (1974704, 10209685), (2041937, 9873520), (2468380, 8167748), (4083874, 4936760)]