55159120

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1987}}^1$

素因数の和:2347

約数の個数: 40

約数和(自身を含む): 128679264

約数和(自身を除く): 73520144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 1987, 2776, 3470, 3974, 5552, 6940, 7948, 9935, 13880, 15896, 19870, 27760, 31792, 39740, 79480, 158960, 689489, 1378978, 2757956, 3447445, 5515912, 6894890, 11031824, 13789780, 27579560, 55159120]

約数ペア:

[(1, 55159120), (2, 27579560), (4, 13789780), (5, 11031824), (8, 6894890), (10, 5515912), (16, 3447445), (20, 2757956), (40, 1378978), (80, 689489), (347, 158960), (694, 79480), (1388, 39740), (1735, 31792), (1987, 27760), (2776, 19870), (3470, 15896), (3974, 13880), (5552, 9935), (6940, 7948)]