1986880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{887}}^1$

素因数の和:911

約数の個数: 56

約数和(自身を含む): 5413248

約数和(自身を除く): 3426368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 887, 1120, 1774, 2240, 3548, 4435, 6209, 7096, 8870, 12418, 14192, 17740, 24836, 28384, 31045, 35480, 49672, 56768, 62090, 70960, 99344, 124180, 141920, 198688, 248360, 283840, 397376, 496720, 993440, 1986880]

約数ペア:

[(1, 1986880), (2, 993440), (4, 496720), (5, 397376), (7, 283840), (8, 248360), (10, 198688), (14, 141920), (16, 124180), (20, 99344), (28, 70960), (32, 62090), (35, 56768), (40, 49672), (56, 35480), (64, 31045), (70, 28384), (80, 24836), (112, 17740), (140, 14192), (160, 12418), (224, 8870), (280, 7096), (320, 6209), (448, 4435), (560, 3548), (887, 2240), (1120, 1774)]