169671280

素因数分解:

$2^4\times 5^1\times {\mathrm{2120891}}^1$

素因数の和:2120904

約数の個数: 20

約数和(自身を含む): 394485912

約数和(自身を除く): 224814632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2120891, 4241782, 8483564, 10604455, 16967128, 21208910, 33934256, 42417820, 84835640, 169671280]

約数ペア:

[(1, 169671280), (2, 84835640), (4, 42417820), (5, 33934256), (8, 21208910), (10, 16967128), (16, 10604455), (20, 8483564), (40, 4241782), (80, 2120891)]