133655420

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{26003}}^1$

素因数の和:26269

約数の個数: 24

約数和(自身を含む): 281779344

約数和(自身を除く): 148123924

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 26003, 52006, 104012, 130015, 260030, 520060, 6682771, 13365542, 26731084, 33413855, 66827710, 133655420]

約数ペア:

[(1, 133655420), (2, 66827710), (4, 33413855), (5, 26731084), (10, 13365542), (20, 6682771), (257, 520060), (514, 260030), (1028, 130015), (1285, 104012), (2570, 52006), (5140, 26003)]