79845320

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4547}}^1$

素因数の和:4997

約数の個数: 32

約数和(自身を含む): 180100800

約数和(自身を除く): 100255480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 4547, 8780, 9094, 17560, 18188, 22735, 36376, 45470, 90940, 181880, 1996133, 3992266, 7984532, 9980665, 15969064, 19961330, 39922660, 79845320]

約数ペア:

[(1, 79845320), (2, 39922660), (4, 19961330), (5, 15969064), (8, 9980665), (10, 7984532), (20, 3992266), (40, 1996133), (439, 181880), (878, 90940), (1756, 45470), (2195, 36376), (3512, 22735), (4390, 18188), (4547, 17560), (8780, 9094)]