140797640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{25693}}^1$

素因数の和:25841

約数の個数: 32

約数和(自身を含む): 319119480

約数和(自身を除く): 178321840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 25693, 51386, 102772, 128465, 205544, 256930, 513860, 1027720, 3519941, 7039882, 14079764, 17599705, 28159528, 35199410, 70398820, 140797640]

約数ペア:

[(1, 140797640), (2, 70398820), (4, 35199410), (5, 28159528), (8, 17599705), (10, 14079764), (20, 7039882), (40, 3519941), (137, 1027720), (274, 513860), (548, 256930), (685, 205544), (1096, 128465), (1370, 102772), (2740, 51386), (5480, 25693)]