50400560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{90001}}^1$

素因数の和:90021

約数の個数: 40

約数和(自身を含む): 133922976

約数和(自身を除く): 83522416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 90001, 180002, 360004, 450005, 630007, 720008, 900010, 1260014, 1440016, 1800020, 2520028, 3150035, 3600040, 5040056, 6300070, 7200080, 10080112, 12600140, 25200280, 50400560]

約数ペア:

[(1, 50400560), (2, 25200280), (4, 12600140), (5, 10080112), (7, 7200080), (8, 6300070), (10, 5040056), (14, 3600040), (16, 3150035), (20, 2520028), (28, 1800020), (35, 1440016), (40, 1260014), (56, 900010), (70, 720008), (80, 630007), (112, 450005), (140, 360004), (280, 180002), (560, 90001)]