40199860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 88687872

約数和(自身を除く): 48488012

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 281, 311, 460, 562, 622, 1124, 1244, 1405, 1555, 2810, 3110, 5620, 6220, 6463, 7153, 12926, 14306, 25852, 28612, 32315, 35765, 64630, 71530, 87391, 129260, 143060, 174782, 349564, 436955, 873910, 1747820, 2009993, 4019986, 8039972, 10049965, 20099930, 40199860]

約数ペア:

[(1, 40199860), (2, 20099930), (4, 10049965), (5, 8039972), (10, 4019986), (20, 2009993), (23, 1747820), (46, 873910), (92, 436955), (115, 349564), (230, 174782), (281, 143060), (311, 129260), (460, 87391), (562, 71530), (622, 64630), (1124, 35765), (1244, 32315), (1405, 28612), (1555, 25852), (2810, 14306), (3110, 12926), (5620, 7153), (6220, 6463)]