5430680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 12320640

約数和(自身を除く): 6889960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 991, 1096, 1370, 1982, 2740, 3964, 4955, 5480, 7928, 9910, 19820, 39640, 135767, 271534, 543068, 678835, 1086136, 1357670, 2715340, 5430680]

約数ペア:

[(1, 5430680), (2, 2715340), (4, 1357670), (5, 1086136), (8, 678835), (10, 543068), (20, 271534), (40, 135767), (137, 39640), (274, 19820), (548, 9910), (685, 7928), (991, 5480), (1096, 4955), (1370, 3964), (1982, 2740)]