204456640

素因数分解:

$2^6\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1423}}^1$

素因数の和:1889

約数の個数: 56

約数和(自身を含む): 488289600

約数和(自身を除く): 283832960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 449, 898, 1423, 1796, 2245, 2846, 3592, 4490, 5692, 7115, 7184, 8980, 11384, 14230, 14368, 17960, 22768, 28460, 28736, 35920, 45536, 56920, 71840, 91072, 113840, 143680, 227680, 455360, 638927, 1277854, 2555708, 3194635, 5111416, 6389270, 10222832, 12778540, 20445664, 25557080, 40891328, 51114160, 102228320, 204456640]

約数ペア:

[(1, 204456640), (2, 102228320), (4, 51114160), (5, 40891328), (8, 25557080), (10, 20445664), (16, 12778540), (20, 10222832), (32, 6389270), (40, 5111416), (64, 3194635), (80, 2555708), (160, 1277854), (320, 638927), (449, 455360), (898, 227680), (1423, 143680), (1796, 113840), (2245, 91072), (2846, 71840), (3592, 56920), (4490, 45536), (5692, 35920), (7115, 28736), (7184, 28460), (8980, 22768), (11384, 17960), (14230, 14368)]