87487280

素因数分解:

$2^4\times 5^1\times {\mathrm{1093591}}^1$

素因数の和:1093604

約数の個数: 20

約数和(自身を含む): 203408112

約数和(自身を除く): 115920832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093591, 2187182, 4374364, 5467955, 8748728, 10935910, 17497456, 21871820, 43743640, 87487280]

約数ペア:

[(1, 87487280), (2, 43743640), (4, 21871820), (5, 17497456), (8, 10935910), (10, 8748728), (16, 5467955), (20, 4374364), (40, 2187182), (80, 1093591)]