28332280

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1973}}^1$

素因数の和:2343

約数の個数: 32

約数和(自身を含む): 63957600

約数和(自身を除く): 35625320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 1973, 2872, 3590, 3946, 7180, 7892, 9865, 14360, 15784, 19730, 39460, 78920, 708307, 1416614, 2833228, 3541535, 5666456, 7083070, 14166140, 28332280]

約数ペア:

[(1, 28332280), (2, 14166140), (4, 7083070), (5, 5666456), (8, 3541535), (10, 2833228), (20, 1416614), (40, 708307), (359, 78920), (718, 39460), (1436, 19730), (1795, 15784), (1973, 14360), (2872, 9865), (3590, 7892), (3946, 7180)]