56664560

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1973}}^1$

素因数の和:2345

約数の個数: 40

約数和(自身を含む): 132179040

約数和(自身を除く): 75514480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 1973, 2872, 3590, 3946, 5744, 7180, 7892, 9865, 14360, 15784, 19730, 28720, 31568, 39460, 78920, 157840, 708307, 1416614, 2833228, 3541535, 5666456, 7083070, 11332912, 14166140, 28332280, 56664560]

約数ペア:

[(1, 56664560), (2, 28332280), (4, 14166140), (5, 11332912), (8, 7083070), (10, 5666456), (16, 3541535), (20, 2833228), (40, 1416614), (80, 708307), (359, 157840), (718, 78920), (1436, 39460), (1795, 31568), (1973, 28720), (2872, 19730), (3590, 15784), (3946, 14360), (5744, 9865), (7180, 7892)]