31483240

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2801}}^1$

素因数の和:3093

約数の個数: 32

約数和(自身を含む): 71114760

約数和(自身を除く): 39631520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2801, 2810, 5602, 5620, 11204, 11240, 14005, 22408, 28010, 56020, 112040, 787081, 1574162, 3148324, 3935405, 6296648, 7870810, 15741620, 31483240]

約数ペア:

[(1, 31483240), (2, 15741620), (4, 7870810), (5, 6296648), (8, 3935405), (10, 3148324), (20, 1574162), (40, 787081), (281, 112040), (562, 56020), (1124, 28010), (1405, 22408), (2248, 14005), (2801, 11240), (2810, 11204), (5602, 5620)]