4394780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16903}}^1$

素因数の和:16925

約数の個数: 24

約数和(自身を含む): 9939552

約数和(自身を除く): 5544772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 16903, 33806, 67612, 84515, 169030, 219739, 338060, 439478, 878956, 1098695, 2197390, 4394780]

約数ペア:

[(1, 4394780), (2, 2197390), (4, 1098695), (5, 878956), (10, 439478), (13, 338060), (20, 219739), (26, 169030), (52, 84515), (65, 67612), (130, 33806), (260, 16903)]