88640920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17449}}^1$

素因数の和:17587

約数の個数: 32

約数和(自身を含む): 201024000

約数和(自身を除く): 112383080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 17449, 34898, 69796, 87245, 139592, 174490, 348980, 697960, 2216023, 4432046, 8864092, 11080115, 17728184, 22160230, 44320460, 88640920]

約数ペア:

[(1, 88640920), (2, 44320460), (4, 22160230), (5, 17728184), (8, 11080115), (10, 8864092), (20, 4432046), (40, 2216023), (127, 697960), (254, 348980), (508, 174490), (635, 139592), (1016, 87245), (1270, 69796), (2540, 34898), (5080, 17449)]