85727920

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2441}}^1$

素因数の和:2893

約数の個数: 40

約数和(自身を含む): 199853280

約数和(自身を除く): 114125360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 2441, 3512, 4390, 4882, 7024, 8780, 9764, 12205, 17560, 19528, 24410, 35120, 39056, 48820, 97640, 195280, 1071599, 2143198, 4286396, 5357995, 8572792, 10715990, 17145584, 21431980, 42863960, 85727920]

約数ペア:

[(1, 85727920), (2, 42863960), (4, 21431980), (5, 17145584), (8, 10715990), (10, 8572792), (16, 5357995), (20, 4286396), (40, 2143198), (80, 1071599), (439, 195280), (878, 97640), (1756, 48820), (2195, 39056), (2441, 35120), (3512, 24410), (4390, 19528), (4882, 17560), (7024, 12205), (8780, 9764)]