12172940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{46819}}^1$

素因数の和:46841

約数の個数: 24

約数和(自身を含む): 27530160

約数和(自身を除く): 15357220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 46819, 93638, 187276, 234095, 468190, 608647, 936380, 1217294, 2434588, 3043235, 6086470, 12172940]

約数ペア:

[(1, 12172940), (2, 6086470), (4, 3043235), (5, 2434588), (10, 1217294), (13, 936380), (20, 608647), (26, 468190), (52, 234095), (65, 187276), (130, 93638), (260, 46819)]