26205980

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4871}}^1$

素因数の和:5149

約数の個数: 24

約数和(自身を含む): 55248480

約数和(自身を除く): 29042500

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 4871, 5380, 9742, 19484, 24355, 48710, 97420, 1310299, 2620598, 5241196, 6551495, 13102990, 26205980]

約数ペア:

[(1, 26205980), (2, 13102990), (4, 6551495), (5, 5241196), (10, 2620598), (20, 1310299), (269, 97420), (538, 48710), (1076, 24355), (1345, 19484), (2690, 9742), (4871, 5380)]