131969080

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5147}}^1$

素因数の和:5799

約数の個数: 32

約数和(自身を含む): 297451440

約数和(自身を除く): 165482360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 5147, 6410, 10294, 12820, 20588, 25640, 25735, 41176, 51470, 102940, 205880, 3299227, 6598454, 13196908, 16496135, 26393816, 32992270, 65984540, 131969080]

約数ペア:

[(1, 131969080), (2, 65984540), (4, 32992270), (5, 26393816), (8, 16496135), (10, 13196908), (20, 6598454), (40, 3299227), (641, 205880), (1282, 102940), (2564, 51470), (3205, 41176), (5128, 25735), (5147, 25640), (6410, 20588), (10294, 12820)]