80463280

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3739}}^1$

素因数の和:4021

約数の個数: 40

約数和(自身を含む): 187822800

約数和(自身を除く): 107359520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 3739, 4304, 5380, 7478, 10760, 14956, 18695, 21520, 29912, 37390, 59824, 74780, 149560, 299120, 1005791, 2011582, 4023164, 5028955, 8046328, 10057910, 16092656, 20115820, 40231640, 80463280]

約数ペア:

[(1, 80463280), (2, 40231640), (4, 20115820), (5, 16092656), (8, 10057910), (10, 8046328), (16, 5028955), (20, 4023164), (40, 2011582), (80, 1005791), (269, 299120), (538, 149560), (1076, 74780), (1345, 59824), (2152, 37390), (2690, 29912), (3739, 21520), (4304, 18695), (5380, 14956), (7478, 10760)]