920199320

素因数分解:

$2^3\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{16903}}^1$

素因数の和:18275

約数の個数: 32

約数和(自身を含む): 2072092320

約数和(自身を除く): 1151893000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1361, 2722, 5444, 6805, 10888, 13610, 16903, 27220, 33806, 54440, 67612, 84515, 135224, 169030, 338060, 676120, 23004983, 46009966, 92019932, 115024915, 184039864, 230049830, 460099660, 920199320]

約数ペア:

[(1, 920199320), (2, 460099660), (4, 230049830), (5, 184039864), (8, 115024915), (10, 92019932), (20, 46009966), (40, 23004983), (1361, 676120), (2722, 338060), (5444, 169030), (6805, 135224), (10888, 84515), (13610, 67612), (16903, 54440), (27220, 33806)]