2796680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 6350400

約数和(自身を除く): 3553720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 503, 556, 695, 1006, 1112, 1390, 2012, 2515, 2780, 4024, 5030, 5560, 10060, 20120, 69917, 139834, 279668, 349585, 559336, 699170, 1398340, 2796680]

約数ペア:

[(1, 2796680), (2, 1398340), (4, 699170), (5, 559336), (8, 349585), (10, 279668), (20, 139834), (40, 69917), (139, 20120), (278, 10060), (503, 5560), (556, 5030), (695, 4024), (1006, 2780), (1112, 2515), (1390, 2012)]