788553320

素因数分解:

$2^3\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{9803}}^1$

素因数の和:11825

約数の個数: 32

約数和(自身を含む): 1775308320

約数和(自身を除く): 986755000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2011, 4022, 8044, 9803, 10055, 16088, 19606, 20110, 39212, 40220, 49015, 78424, 80440, 98030, 196060, 392120, 19713833, 39427666, 78855332, 98569165, 157710664, 197138330, 394276660, 788553320]

約数ペア:

[(1, 788553320), (2, 394276660), (4, 197138330), (5, 157710664), (8, 98569165), (10, 78855332), (20, 39427666), (40, 19713833), (2011, 392120), (4022, 196060), (8044, 98030), (9803, 80440), (10055, 78424), (16088, 49015), (19606, 40220), (20110, 39212)]