2779820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 5887728

約数和(自身を除く): 3107908

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1061, 1310, 2122, 2620, 4244, 5305, 10610, 21220, 138991, 277982, 555964, 694955, 1389910, 2779820]

約数ペア:

[(1, 2779820), (2, 1389910), (4, 694955), (5, 555964), (10, 277982), (20, 138991), (131, 21220), (262, 10610), (524, 5305), (655, 4244), (1061, 2620), (1310, 2122)]