49921840

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2749}}^1$

素因数の和:2989

約数の個数: 40

約数和(自身を含む): 116622000

約数和(自身を除く): 66700160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 2749, 3632, 4540, 5498, 9080, 10996, 13745, 18160, 21992, 27490, 43984, 54980, 109960, 219920, 624023, 1248046, 2496092, 3120115, 4992184, 6240230, 9984368, 12480460, 24960920, 49921840]

約数ペア:

[(1, 49921840), (2, 24960920), (4, 12480460), (5, 9984368), (8, 6240230), (10, 4992184), (16, 3120115), (20, 2496092), (40, 1248046), (80, 624023), (227, 219920), (454, 109960), (908, 54980), (1135, 43984), (1816, 27490), (2270, 21992), (2749, 18160), (3632, 13745), (4540, 10996), (5498, 9080)]