141691640

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{8069}}^1$

素因数の和:8519

約数の個数: 32

約数和(自身を含む): 319572000

約数和(自身を除く): 177880360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8069, 8780, 16138, 17560, 32276, 40345, 64552, 80690, 161380, 322760, 3542291, 7084582, 14169164, 17711455, 28338328, 35422910, 70845820, 141691640]

約数ペア:

[(1, 141691640), (2, 70845820), (4, 35422910), (5, 28338328), (8, 17711455), (10, 14169164), (20, 7084582), (40, 3542291), (439, 322760), (878, 161380), (1756, 80690), (2195, 64552), (3512, 40345), (4390, 32276), (8069, 17560), (8780, 16138)]