18455097040

素因数分解:

$2^4\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{116099}}^1$

素因数の和:118099

約数の個数: 40

約数和(自身を含む): 42930064800

約数和(自身を除く): 24474967760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1987, 3974, 7948, 9935, 15896, 19870, 31792, 39740, 79480, 116099, 158960, 232198, 464396, 580495, 928792, 1160990, 1857584, 2321980, 4643960, 9287920, 230688713, 461377426, 922754852, 1153443565, 1845509704, 2306887130, 3691019408, 4613774260, 9227548520, 18455097040]

約数ペア:

[(1, 18455097040), (2, 9227548520), (4, 4613774260), (5, 3691019408), (8, 2306887130), (10, 1845509704), (16, 1153443565), (20, 922754852), (40, 461377426), (80, 230688713), (1987, 9287920), (3974, 4643960), (7948, 2321980), (9935, 1857584), (15896, 1160990), (19870, 928792), (31792, 580495), (39740, 464396), (79480, 232198), (116099, 158960)]