1285153820

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{49391}}^1$

素因数の和:50701

約数の個数: 24

約数和(自身を含む): 2700952128

約数和(自身を除く): 1415798308

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 5204, 6505, 13010, 26020, 49391, 98782, 197564, 246955, 493910, 987820, 64257691, 128515382, 257030764, 321288455, 642576910, 1285153820]

約数ペア:

[(1, 1285153820), (2, 642576910), (4, 321288455), (5, 257030764), (10, 128515382), (20, 64257691), (1301, 987820), (2602, 493910), (5204, 246955), (6505, 197564), (13010, 98782), (26020, 49391)]