20160880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10957}}^1$

素因数の和:10993

約数の個数: 40

約数和(自身を含む): 48916512

約数和(自身を除く): 28755632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10957, 21914, 43828, 54785, 87656, 109570, 175312, 219140, 252011, 438280, 504022, 876560, 1008044, 1260055, 2016088, 2520110, 4032176, 5040220, 10080440, 20160880]

約数ペア:

[(1, 20160880), (2, 10080440), (4, 5040220), (5, 4032176), (8, 2520110), (10, 2016088), (16, 1260055), (20, 1008044), (23, 876560), (40, 504022), (46, 438280), (80, 252011), (92, 219140), (115, 175312), (184, 109570), (230, 87656), (368, 54785), (460, 43828), (920, 21914), (1840, 10957)]