2151280

素因数分解:

$2^4\times 5^1\times {\mathrm{26891}}^1$

素因数の和:26904

約数の個数: 20

約数和(自身を含む): 5001912

約数和(自身を除く): 2850632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26891, 53782, 107564, 134455, 215128, 268910, 430256, 537820, 1075640, 2151280]

約数ペア:

[(1, 2151280), (2, 1075640), (4, 537820), (5, 430256), (8, 268910), (10, 215128), (16, 134455), (20, 107564), (40, 53782), (80, 26891)]