136939720

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{24989}}^1$

素因数の和:25137

約数の個数: 32

約数和(自身を含む): 310375800

約数和(自身を除く): 173436080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 24989, 49978, 99956, 124945, 199912, 249890, 499780, 999560, 3423493, 6846986, 13693972, 17117465, 27387944, 34234930, 68469860, 136939720]

約数ペア:

[(1, 136939720), (2, 68469860), (4, 34234930), (5, 27387944), (8, 17117465), (10, 13693972), (20, 6846986), (40, 3423493), (137, 999560), (274, 499780), (548, 249890), (685, 199912), (1096, 124945), (1370, 99956), (2740, 49978), (5480, 24989)]