26219140

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5101}}^1$

素因数の和:5367

約数の個数: 24

約数和(自身を含む): 55285272

約数和(自身を除く): 29066132

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5101, 5140, 10202, 20404, 25505, 51010, 102020, 1310957, 2621914, 5243828, 6554785, 13109570, 26219140]

約数ペア:

[(1, 26219140), (2, 13109570), (4, 6554785), (5, 5243828), (10, 2621914), (20, 1310957), (257, 102020), (514, 51010), (1028, 25505), (1285, 20404), (2570, 10202), (5101, 5140)]