51734800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9949}}^1$

素因数の和:9980

約数の個数: 60

約数和(自身を含む): 133867300

約数和(自身を除く): 82132500

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 9949, 19898, 39796, 49745, 79592, 99490, 129337, 159184, 198980, 248725, 258674, 397960, 497450, 517348, 646685, 795920, 994900, 1034696, 1293370, 1989800, 2069392, 2586740, 3233425, 3979600, 5173480, 6466850, 10346960, 12933700, 25867400, 51734800]

約数ペア:

[(1, 51734800), (2, 25867400), (4, 12933700), (5, 10346960), (8, 6466850), (10, 5173480), (13, 3979600), (16, 3233425), (20, 2586740), (25, 2069392), (26, 1989800), (40, 1293370), (50, 1034696), (52, 994900), (65, 795920), (80, 646685), (100, 517348), (104, 497450), (130, 397960), (200, 258674), (208, 248725), (260, 198980), (325, 159184), (400, 129337), (520, 99490), (650, 79592), (1040, 49745), (1300, 39796), (2600, 19898), (5200, 9949)]