80886880

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3637}}^1$

素因数の和:3791

約数の個数: 48

約数和(自身を含む): 192522960

約数和(自身を除く): 111636080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3637, 4448, 5560, 7274, 11120, 14548, 18185, 22240, 29096, 36370, 58192, 72740, 116384, 145480, 290960, 505543, 581920, 1011086, 2022172, 2527715, 4044344, 5055430, 8088688, 10110860, 16177376, 20221720, 40443440, 80886880]

約数ペア:

[(1, 80886880), (2, 40443440), (4, 20221720), (5, 16177376), (8, 10110860), (10, 8088688), (16, 5055430), (20, 4044344), (32, 2527715), (40, 2022172), (80, 1011086), (139, 581920), (160, 505543), (278, 290960), (556, 145480), (695, 116384), (1112, 72740), (1390, 58192), (2224, 36370), (2780, 29096), (3637, 22240), (4448, 18185), (5560, 14548), (7274, 11120)]