1020380

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 2162832

約数和(自身を除く): 1142452

約数列:

[1, 2, 4, 5, 10, 20, 163, 313, 326, 626, 652, 815, 1252, 1565, 1630, 3130, 3260, 6260, 51019, 102038, 204076, 255095, 510190, 1020380]

約数ペア:

[(1, 1020380), (2, 510190), (4, 255095), (5, 204076), (10, 102038), (20, 51019), (163, 6260), (313, 3260), (326, 3130), (626, 1630), (652, 1565), (815, 1252)]