5181920

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 12383280

約数和(自身を除く): 7201360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 233, 278, 466, 556, 695, 932, 1112, 1165, 1390, 1864, 2224, 2330, 2780, 3728, 4448, 4660, 5560, 7456, 9320, 11120, 18640, 22240, 32387, 37280, 64774, 129548, 161935, 259096, 323870, 518192, 647740, 1036384, 1295480, 2590960, 5181920]

約数ペア:

[(1, 5181920), (2, 2590960), (4, 1295480), (5, 1036384), (8, 647740), (10, 518192), (16, 323870), (20, 259096), (32, 161935), (40, 129548), (80, 64774), (139, 37280), (160, 32387), (233, 22240), (278, 18640), (466, 11120), (556, 9320), (695, 7456), (932, 5560), (1112, 4660), (1165, 4448), (1390, 3728), (1864, 2780), (2224, 2330)]