520001275

素因数分解:

$5^2\times {\mathrm{107}}^1\times {\mathrm{349}}^1\times {\mathrm{557}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 653864400

約数和(自身を除く): 133863125

約数列:

[1, 5, 25, 107, 349, 535, 557, 1745, 2675, 2785, 8725, 13925, 37343, 59599, 186715, 194393, 297995, 933575, 971965, 1489975, 4859825, 20800051, 104000255, 520001275]

約数ペア:

[(1, 520001275), (5, 104000255), (25, 20800051), (107, 4859825), (349, 1489975), (535, 971965), (557, 933575), (1745, 297995), (2675, 194393), (2785, 186715), (8725, 59599), (13925, 37343)]