85440860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 188177472

約数和(自身を除く): 102736612

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 281, 460, 562, 661, 1124, 1322, 1405, 2644, 2810, 3305, 5620, 6463, 6610, 12926, 13220, 15203, 25852, 30406, 32315, 60812, 64630, 76015, 129260, 152030, 185741, 304060, 371482, 742964, 928705, 1857410, 3714820, 4272043, 8544086, 17088172, 21360215, 42720430, 85440860]

約数ペア:

[(1, 85440860), (2, 42720430), (4, 21360215), (5, 17088172), (10, 8544086), (20, 4272043), (23, 3714820), (46, 1857410), (92, 928705), (115, 742964), (230, 371482), (281, 304060), (460, 185741), (562, 152030), (661, 129260), (1124, 76015), (1322, 64630), (1405, 60812), (2644, 32315), (2810, 30406), (3305, 25852), (5620, 15203), (6463, 13220), (6610, 12926)]