82079440

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7489}}^1$

素因数の和:7639

約数の個数: 40

約数和(自身を含む): 192253320

約数和(自身を除く): 110173880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 7489, 10960, 14978, 29956, 37445, 59912, 74890, 119824, 149780, 299560, 599120, 1025993, 2051986, 4103972, 5129965, 8207944, 10259930, 16415888, 20519860, 41039720, 82079440]

約数ペア:

[(1, 82079440), (2, 41039720), (4, 20519860), (5, 16415888), (8, 10259930), (10, 8207944), (16, 5129965), (20, 4103972), (40, 2051986), (80, 1025993), (137, 599120), (274, 299560), (548, 149780), (685, 119824), (1096, 74890), (1370, 59912), (2192, 37445), (2740, 29956), (5480, 14978), (7489, 10960)]