51207760

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1783}}^1$

素因数の和:2155

約数の個数: 40

約数和(自身を含む): 119456640

約数和(自身を除く): 68248880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1783, 1795, 2872, 3566, 3590, 5744, 7132, 7180, 8915, 14264, 14360, 17830, 28528, 28720, 35660, 71320, 142640, 640097, 1280194, 2560388, 3200485, 5120776, 6400970, 10241552, 12801940, 25603880, 51207760]

約数ペア:

[(1, 51207760), (2, 25603880), (4, 12801940), (5, 10241552), (8, 6400970), (10, 5120776), (16, 3200485), (20, 2560388), (40, 1280194), (80, 640097), (359, 142640), (718, 71320), (1436, 35660), (1783, 28720), (1795, 28528), (2872, 17830), (3566, 14360), (3590, 14264), (5744, 8915), (7132, 7180)]