72647440

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2371}}^1$

素因数の和:2767

約数の個数: 40

約数和(自身を含む): 169417728

約数和(自身を除く): 96770288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 2371, 3064, 3830, 4742, 6128, 7660, 9484, 11855, 15320, 18968, 23710, 30640, 37936, 47420, 94840, 189680, 908093, 1816186, 3632372, 4540465, 7264744, 9080930, 14529488, 18161860, 36323720, 72647440]

約数ペア:

[(1, 72647440), (2, 36323720), (4, 18161860), (5, 14529488), (8, 9080930), (10, 7264744), (16, 4540465), (20, 3632372), (40, 1816186), (80, 908093), (383, 189680), (766, 94840), (1532, 47420), (1915, 37936), (2371, 30640), (3064, 23710), (3830, 18968), (4742, 15320), (6128, 11855), (7660, 9484)]