30870920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{11519}}^1$

素因数の和:11597

約数の個数: 32

約数和(自身を含む): 70502400

約数和(自身を除く): 39631480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 11519, 23038, 46076, 57595, 92152, 115190, 230380, 460760, 771773, 1543546, 3087092, 3858865, 6174184, 7717730, 15435460, 30870920]

約数ペア:

[(1, 30870920), (2, 15435460), (4, 7717730), (5, 6174184), (8, 3858865), (10, 3087092), (20, 1543546), (40, 771773), (67, 460760), (134, 230380), (268, 115190), (335, 92152), (536, 57595), (670, 46076), (1340, 23038), (2680, 11519)]