10239640

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{911}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 23146560

約数和(自身を除く): 12906920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 911, 1124, 1405, 1822, 2248, 2810, 3644, 4555, 5620, 7288, 9110, 11240, 18220, 36440, 255991, 511982, 1023964, 1279955, 2047928, 2559910, 5119820, 10239640]

約数ペア:

[(1, 10239640), (2, 5119820), (4, 2559910), (5, 2047928), (8, 1279955), (10, 1023964), (20, 511982), (40, 255991), (281, 36440), (562, 18220), (911, 11240), (1124, 9110), (1405, 7288), (1822, 5620), (2248, 4555), (2810, 3644)]