28373560

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3919}}^1$

素因数の和:4111

約数の個数: 32

約数和(自身を含む): 64209600

約数和(自身を除く): 35836040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 3919, 7240, 7838, 15676, 19595, 31352, 39190, 78380, 156760, 709339, 1418678, 2837356, 3546695, 5674712, 7093390, 14186780, 28373560]

約数ペア:

[(1, 28373560), (2, 14186780), (4, 7093390), (5, 5674712), (8, 3546695), (10, 2837356), (20, 1418678), (40, 709339), (181, 156760), (362, 78380), (724, 39190), (905, 31352), (1448, 19595), (1810, 15676), (3620, 7838), (3919, 7240)]