3920380

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{929}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 8280720

約数和(自身を除く): 4360340

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 929, 1055, 1858, 2110, 3716, 4220, 4645, 9290, 18580, 196019, 392038, 784076, 980095, 1960190, 3920380]

約数ペア:

[(1, 3920380), (2, 1960190), (4, 980095), (5, 784076), (10, 392038), (20, 196019), (211, 18580), (422, 9290), (844, 4645), (929, 4220), (1055, 3716), (1858, 2110)]