38747320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8887}}^1$

素因数の和:9007

約数の個数: 32

約数和(自身を含む): 87991200

約数和(自身を除く): 49243880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 8887, 17774, 35548, 44435, 71096, 88870, 177740, 355480, 968683, 1937366, 3874732, 4843415, 7749464, 9686830, 19373660, 38747320]

約数ペア:

[(1, 38747320), (2, 19373660), (4, 9686830), (5, 7749464), (8, 4843415), (10, 3874732), (20, 1937366), (40, 968683), (109, 355480), (218, 177740), (436, 88870), (545, 71096), (872, 44435), (1090, 35548), (2180, 17774), (4360, 8887)]