2555366420

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{497153}}^1$

素因数の和:497419

約数の個数: 24

約数和(自身を含む): 5387160744

約数和(自身を除く): 2831794324

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 497153, 994306, 1988612, 2485765, 4971530, 9943060, 127768321, 255536642, 511073284, 638841605, 1277683210, 2555366420]

約数ペア:

[(1, 2555366420), (2, 1277683210), (4, 638841605), (5, 511073284), (10, 255536642), (20, 127768321), (257, 9943060), (514, 4971530), (1028, 2485765), (1285, 1988612), (2570, 994306), (5140, 497153)]