80456870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 164324160

約数和(自身を除く): 83867290

約数列:

[1, 2, 5, 10, 13, 26, 37, 43, 65, 74, 86, 130, 185, 215, 370, 389, 430, 481, 559, 778, 962, 1118, 1591, 1945, 2405, 2795, 3182, 3890, 4810, 5057, 5590, 7955, 10114, 14393, 15910, 16727, 20683, 25285, 28786, 33454, 41366, 50570, 71965, 83635, 103415, 143930, 167270, 187109, 206830, 217451, 374218, 434902, 618899, 935545, 1087255, 1237798, 1871090, 2174510, 3094495, 6188990, 8045687, 16091374, 40228435, 80456870]

約数ペア:

[(1, 80456870), (2, 40228435), (5, 16091374), (10, 8045687), (13, 6188990), (26, 3094495), (37, 2174510), (43, 1871090), (65, 1237798), (74, 1087255), (86, 935545), (130, 618899), (185, 434902), (215, 374218), (370, 217451), (389, 206830), (430, 187109), (481, 167270), (559, 143930), (778, 103415), (962, 83635), (1118, 71965), (1591, 50570), (1945, 41366), (2405, 33454), (2795, 28786), (3182, 25285), (3890, 20683), (4810, 16727), (5057, 15910), (5590, 14393), (7955, 10114)]